Oldfield Thomas

Michael Rogers Oldfield Thomas (21 February 1858 – 16 July 1929), English zoologist.

(List may be incomplete)

• 1,219 taxon names authored by Oldfield Thomas

(List may be incomplete)

• 9 eponyms of Oldfield Thomas

(List may be incomplete)

• Thomas, O. 1879. On Robert Kerr's translation of the "Systema Naturae' of Linnaeus. Annals and Magazine of Natural History, series 5, 4: 397.

• Thomas, O. 1880. Description of a new species of Mus from the Fiji Islands. Proceedings of the Zoological Society of London 48(1): 11–13, 1 fig. DOI: 10.1111/j.1096-3642.1880.tb02722.x BHL Reference page. 
• Thomas, O. 1880. On the Myoxus elegans of Temminck. Proceedings of the Zoological Society of London 48(1): 40–41. DOI: 10.1111/j.1096-3642.1880.tb02724.x BHL Reference page. 
• Thomas, O. 1880. Description of a new bat from Java, of the genus Kerivoula. Annals and Magazine of Natural History, series 5, 5(30): 472-473, 1 fig. DOI: 10.1080/00222938009459445 BHL Reference page. 
• Thomas, O. 1880. On bats from Old Calabar. Annals and Magazine of Natural History, series 5, 6(32): 164–167, 2 figs. DOI: 10.1080/00222938009458914 BHL Reference page. 
• Thomas, O. 1880. On mammals from Ecuador. Proceedings of the Zoological Society of London 48(3): 393–403, figs 1-3, pl. 38. DOI: 10.1111/j.1469-7998.1880.tb06571.x BHL Reference page. 
• Thomas, O. 1880. Description of a new species of Arvicola from northern India. Annals and Magazine of Natural History, series 5, 6(34): 322–323. DOI: 10.1080/00222938009458945 BHL Reference page. 

• Thomas, O. 1881. Description of a new species of Mus from southern India. Annals and Magazine of Natural History, series 5, 7(37): 24. DOI: 10.1080/00222938109459467 BHL Reference page. 
• Thomas, O. [1880] 1881. Description of a new species of Reithrodon, with remarks on the other species of the genus. Proceedings of the Zoological Society of London 48(4): 691–696, figs. 1–4. BHL Reference page. 
• Thomas, O. 1881. Description of a new species of mole from China. Annals and Magazine of Natural History, series 5, 7(42): 469–471. DOI: 10.1080/00222938109459556 BHL Reference page. 
• Thomas, O. 1881. Account of the zoological collections made during the survey of H.M.S. 'Alert' in the Straits of Magellan and on the coast of Patagonia. I. Mammalia. Proceedings of the Zoological Society of London 49(1): 3–6, figs. 1–2. DOI: 10.1111/j.1096-3642.1881.tb01270.x BHL Reference page. 
• Thomas, O. 1881. Description of a new species of Alactaga from Mesopotamia. Annals and Magazine of Natural History, series 5, 8(43): 14–16. DOI: 10.1080/00222938109459834 BHL Reference page. 
• Thomas, O. 1881. On the Indian species of the genus Mus. Proceedings of the Zoological Society of London 49(3): 521–557, pls. 50–51. DOI: 10.1111/j.1096-3642.1881.tb01311.x BHL Reference page. 

• Thomas, O. 1882. Description of a new genus and two new species of Insectivora from Madagascar. Journal of the Linnean Society of London 16(92): 319–322, 1 fig. DOI: 10.1111/j.1096-3642.1882.tb02284a.x BHL Reference page. 
• Thomas, O. 1882. On the African mungooses. Proceedings of the Zoological Society of London 50(1): 59–93, fig. 1, pl. 3. DOI: 10.1111/j.1096-3642.1882.tb02728.x BHL Reference page. 
• Thomas, O. 1882. On a collection of rodents from north Peru. Proceedings of the Zoological Society of London 50(1): 98–111, pl. 4. DOI: 10.1111/j.1096-3642.1882.tb02730.x BHL Reference page. 
• Thomas, O. 1882. On a small collection of rodents from South-Western Africa. Proceedings of the Zoological Society of London 50(1): 265–267, pl. 14. DOI: 10.1111/j.1096-3642.1882.tb02741.x BHL Reference page. 
• Thomas, O. 1882. On two new Muridae from Tasmania. Annals and Magazine of Natural History, series 5, 9(54): 413–416, figs. 1–4. DOI: 10.1080/00222938209459071 BHL Reference page. 
• Thomas, O. 1882 On a small collection of Mammalia from central Mexico. Proceedings of the Zoological Society of London 50(2): 371–372. DOI: 10.1111/j.1469-7998.1882.tb06637.x BHL Reference page. 
• Thomas, O. 1882. Description of a new species of rat from China. Proceedings of the Zoological Society of London 50(3): 587–588, pl. 44. DOI: 10.1111/j.1096-3642.1882.tb02769.x BHL Reference page. 

• Thomas, O. [1882] 1883. Description of two new species of Pteropus from the Caroline Islands. Proceedings of the Zoological Society of London 50(4): 755–757, pls. 54–55. DOI: 10.1111/j.1096-3642.1883.tb02792.x BHL Reference page. 
• Thomas, O. 1883. On Mustela albinucha, Gray. Annals and Magazine of Natural History, series 5, 11(65): 370–371, 1 fig. DOI: 10.1080/00222938309459165 BHL Reference page. 

• Thomas, O. 1884. On a collection of Muridae from central Peru. Proceedings of the Zoological Society of London 52(3): 447–458, pls. 42–44. DOI: 10.1111/j.1096-3642.1884.tb02857.x BHL Reference page. 
• Thomas, O. 1884. Description of a new species of Microgale. Annals and Magazine of Natural History, series 5, 14(83): 337–338. DOI: 10.1080/00222938409460967 BHL Reference page. 

• Thomas, O. 1885. Report on the Mammals obtained and observed by Mr. H. H. Johnston on Mount Kilima-njaro. Proceedings of the Zoological Society of London 53(2): 219–222, pl. 12. DOI: 10.1111/j.1096-3642.1885.tb02898.x BHL Reference page. 
• Thomas, O. 1885. Notes on the characters of the different races of Echidna. Proceedings of the Zoological Society of London 53(2): 329–339, pls. 23–24. DOI: 10.1111/j.1096-3642.1885.tb02914.x BHL Reference page. 
• Thomas, O. 1885. [Remarks on a burrowing rodent, Heterocephalus phillipsi, n. sp.]. Proceedings of the Zoological Society of London 53(3): 611–612. DOI: 10.1111/j.1469-7998.1885.tb07866.x BHL Reference page. 
• Thomas, O. & Barret-Hamilton, G.E.H. 1895. The Irish stoat distinct from the British. Annals and Magazine of Natural History ser. 6, 15: 374. BHL

• Thomas, O. 1886. Diagnoses of three new Oriental mammals. Annals and Magazine of Natural History, series 5, 17(97): 84. DOI: 10.1080/00222938609460115 BHL Reference page. 
• Thomas, O. 1886. Description of a new Brazilian species of Hesperomys. Annals and Magazine of Natural History, series 5, 17(99): 250–251. DOI: 10.1080/00222938609460140 BHL Reference page. 
• Thomas, O. [1885] 1886. Notes on the rodent genus Heterocephalus. Proceedings of the Zoological Society of London 53(4): 845–849, pl. 54, figs. 1–5. DOI: 10.1111/j.1096-3642.1885.tb02925.x BHL Reference page. 
• Thomas, O. 1886. On the mammals presented by Allan O. Hume, Esq., C.B., to the Natural History Museum. Proceedings of the Zoological Society of London 54(1): 54–79, pls. V–VI. DOI: 10.1111/j.1096-3642.1886.tb02935.x BHL Reference page. 
• Thomas, O. 1886. Diagnosis of a new species of Phascologale. Annali del Museo Civico di Storia Naturale di Genova series 2, 4(24): 208. BHL Reference page. 
• Thomas, O. 1886. Note on Hesperomys pyrrhorhinus, Pr. Max. Annals and Magazine of Natural History, series 5, 18(108): 421–423. DOI: 10.1080/00222938609459994 BHL Reference page. 
• Thomas, O. & Doria, G. 1886. Note intorno ad alcuni Chirotteri appartenenti al Museo Civico di Genova e descrizione di due nuove specie del genere Phyllorhina. Annali del Museo Civico di Storia Naturale di Genova, series 2, 4(24): 201–207, 1 fig. BHL Reference page. 

• Thomas, O. 1887. Description of a second species of rabbit-bandicoot (Peragale). The Annals and Magazine of Natural History, including Zoology, Botany, and Geology Series 5, Vol. 19: 397–399. BHL Reference page. 
• Thomas, O. 1887. On the small mammals collected in Demerara by Mr. W. L. Sclater. Proceedings of the Zoological Society of London 1887: 150–153.
• Thomas, O. 1887. Report on a zoological collection made by the officers of H. M. S. 'Flying Fish' at Christmas Island, Indian Ocean. I. Mammalia. Proceedings of the Zoological Society of London 1887: 511–514.
• Thomas, O. 1887. On the wallaby commonly known as Lagorchestes fasciatus. Proceedings of the Zoological Society of London. p 544. BHL Reference page. 

• Thomas, O. 1888. Catalogue of the Marsupialia and Monotremata in the collection of the British Museum (Natural History). British Museum (Natural History): London. xiii, 401 p. illus., xxxviii plates. (4 col.) BHL Reference page. 
• Thomas, O. 1888 [1889]. On the mammals of Christmas Island. Proceedings of the Zoological Society of London 1888:532-534.
• Thomas, O. 1888. On a new and interesting annectant genus of Muridae, with remarks on the relations of the Old- and New-World members of the family. Proceedings of the Zoological Society of London 1888: 130–135.
• Thomas, O. 1888. On a collection of mammals obtained by Emin Pasha in equatorial Africa, and presented by him to the Natural History Museum. Proceedings of the Zoological Society of London 1888: 3–17.
• Thomas, O. 1888. Diagnoses of six new Mammals from the Solomon Islands. Annals and Magazine of Natural History ser. 6, 1: 155–158. BHL Reference page. 
• Thomas, O. 1888. Diagnoses of four new mammals from the Malayan Region. Annals and Magazine of Natural History (6) 2(11): 407–409. BHL Reference page. 
• Thomas, O. 1888. Description of a new Genus and Species of Rat from New Guinea. Proceedings of the Zoological Society of London 56: 237–240. BHL Reference page. 
• Thomas, O. 1888. On Eupetaurus, a new form of flying squirrel from Kashmir. Journal of the Asiatic Society of Bengal 57: 256–260. BHL Reference page. 

• Thomas, O. 1889. Description of a new Bat from the Gambia. The Annals and Magazine of Natural History. ser 6, vol. 3: 362–364. BHL.
• Thomas, O. 1889. Description of a new genus of Muridae allied to Hydromys. Proceedings of the Zoological Society of London 1889: 247–250. BHL Reference page. 

• Thomas, O. 1890. On a collection of mammals obtained by Dr. Emin Pasha in central and eastern Africa. Proceedings of the Zoological Society of London 1890: 443–450.

• Thomas, O. 1892. On the Species of the Hyracoidea. Proceedings of the Zoological Society of London 50–76. BHL Reference page. 
• Thomas, O. 1892. Note on the Gibbon of the Island of Hainan (Hylobates hainanus, sp. n.). Annals and Magazine of Natural History, ser. 6, 9(50): 145–146. DOI: 10.1080/00222939208677291 BHL Reference page. 
• Thomas, O. 1892. On some new Mammalia from the East-Indian Archipelago. Annals and Magazine of Natural History ser 6, 9: 250–254.
• Thomas, O. 1892. On some mammals from Mount Dulit, North Borneo. Proceedings of the Zoological Society of London 1892: 221–227.
• Thomas, O. 1892. On the probable identity of certain specimens formerly in the Lidth de Jeude collection and now in the British Museum, with those figured by Albert Seba in his 'Thesaurus' of 1734. Proceedings of the Zoological Society of London 1892: 309–318.

• Thomas, O. 1893. Description of a new Baboon from East Africa. Annals and Magazine of Natural History, ser. 6, 11(61): 46–47. DOI: 10.1080/00222939308677464 BHL Reference page. 
• Thomas, O. 1893. On some new Bornean mammalia. Annals and Magazine of Natural History ser 6, 11: 341–347.
• Thomas, O. 1893. On mammals from Nyassaland. Proceedings of the Zoological Society of London 1892(4): 546–554. BHL Reference page. 
• Thomas, O. 1893. Description of two new "pocket-mice" of the genus Heteromys. Annals and Magazine of Natural History ser. 6, 11(64): 329–332. BHL Reference page. 
• Thomas, O. 1893. Description of a new species of Sminthus from Kashmir. Annals and Magazine of Natural History ser. 6, 11(62): 184–186. BHL Reference page. 
• Thomas, O. 1893. On some Mammals from Central Peru. Proceedings of the Zoological Society of London 61, p. 337. BHL Reference page. 

• Thomas, O. 1894. On Micoureus griseus, Desm., with the Description of a new Genus and Species of Didelphyidae. The Annals And Magazine of Natural History. Series 6 14: 184–188. DOI: 10.1080/00222939408677788 BHL Reference page. 
• Thomas, O. 1894. On the mammals of Nyasaland: Third contribution. Proceedings of the Zoological Society of London 1894: 136–142. BHL Reference page. 

• Sclater, P.L & Thomas, O. 1894–1900. The book of antelopes. London. Vol. I, II, III, IV. Reference page. 

• Thomas, O. 1895. Descriptions of four small mammals from South America, including one belonging to the peculiar marsupial genus ‘‘Hyracodon’’ Tomes. The Annals and Magazine of Natural History series 6 16: 367–370. DOI: 10.1080/00222939508680289 BHL Reference page. 
• Thomas, O. 1895. Revised determinations of three of the Natuna rodents. Novitates Zoologicae 2(1): 26–28. BHL Reference page. 
• Thomas, O. 1895. On some mammals collected by Dr. E. Modigliani in Sipora, Mentawei islands. Annali del Museo civico di storia naturale di Genova 34: 660–672. BHL Reference page. 
• Thomas, O. 1895. Preliminary diagnoses of new mammals from northern Luzon, collected by Mr. John Whitehead. Annals and Magazine of Natural History ser 6, 16: 160–164. BHL Reference page. 
• Thomas, O. 1895. On small mammals from Nicaragua and Bogota. Annals and Magazine of Natural History ser 6, 91: p. 55. BHL Reference page. 
• Yerbury, J.W. & Thomas, O. 1895. On the mammals of Aden. Proceedings of the Zoological Society of London 1895(3): 542–555. BHL Reference page. 

• Thomas, O. 1896. On mammals from Celebes, Borneo, and the Philippines recently received at the British Museum. Annals and Magazine of Natural History. Series 6 18(105): 241–250. BHL Reference page. 
• Thomas, O. 1896. On new small mammals from the Neotropical region. The Annals And Magazine of Natural History series 6 18: 301-314. DOI: 10.1080/00222939608680459 BHL Reference page. 
• Thomas, O. 1896 [1897]. On the genera of rodents: An attempt to bring up to date the current arrangement of the order. Proceedings of the Zoological Society of London 1896: 1012–1028.

• Thomas, O. 1897. Notes on some S.-American Muridae. The Annals And Magazine of Natural History series 6 19: 494–501. DOI: 10.1080/00222939708680568 Reference page. 
• Thomas, O. 1897. On the Tsu-shima Representative of the Japanese Sable. Annals and Magazine of Natural History Series 6. 19(110): 161–162. BHL DOI: 10.1080/00222939708680523 Reference page. 
• Thomas, O. 1897. Description of a new Rat from China. Annals and Magazine of Natural History, ser. 6, 20(115): 113–114. DOI: 10.1080/00222939708680604 BHL Reference page. 
• Thomas, O. 1897. Description of new bats and rodents from South America. Annals and Magazine of Natural History, 6th Ser., 20(120, December):544–553. DOI: 10.1080/00222939709487398. BHL. Reference page. 
• Thomas, O. "1897" [1898]. On the Mammals obtained by Mr. A. Whyte in Nyasaland, and presented to the British Museum by Sir H. H. Johnston, K.C.B.; being a fifth Contribution to the Mammal-fauna of Nyasaland. Proceedings of the Zoological Society of London 65(4): 925–939. DOI: 10.1111/J.1096-3642.1898.TB01397.X BHL Reference page. 
• Thomas, O. 1897. On a new species of Lagidium from the eastern coast of Patagonia. Annals and Magazine of Natural History (6) 19(112): 466–467. BHL Reference page. 
• Thomas, O. 1897. Diagnosis of a new subspecies of gazelle from British East Africa. Annals and Magazine of Natural History (6) 20(119): 479. BHL Reference page. 
• Thomas, O. 1897. Exhibition of small mammals collected by Mr. Alexander Whyte during his expedition to the Nyika plateau and Masuka Mountains, NR Nyasa. Proceedings of the Zoological Society of London 1897: 430–436. BHL Reference page. 
• Thomas, O. 1897. On the mammals collected in British New Guinea by Dr. Lamberto Loria. Annali del Museo Civico di Storia Naturale di Genova ser 2, 18[38]: 606–622. BHL Reference page. 
• Thomas, O. 1897. On the Genera of Rodents: an Attempt to bring up to Date the current Arrangement of the Order. Proceedings of the Zoological Society of London. p 1026. BHL Reference page. 

• Thomas, O. 1898. On the Mammals obtained by Mr. John Whitehead during his recent Expedition to the Philippines. Transactions of the Zoological Society of London 14(6): 377–412, plates XXX–XXXVI. DOI: 10.1111/j.1096-3642.1898.tb00062.x BHL Reference page. 
• Thomas, O. 1898. On a new subspecies of giraffe from Nigeria. Proceedings of the Zoological Society of London 39–41. BHL Reference page. 
• Thomas, O. 1898b. On some new mammals from the neighbourhood of Mount Sahama, Bolivia. The Annals and Magazine of Natural History ser. 7, 1: 277–283. DOI: 10.1080/00222939808677971 BHL Reference page. 
• Thomas, O. 1898. On seven new small mammals from Ecuador and Venezuela. The Annals And Magazine of Natural History series 7 1: 451–457. DOI: 10.1080/00222939808678001 BHL Reference page. 
• Thomas, O. 1898. Descriptions of new mammals from South America. The Annals And Magazine of Natural History series 7 2: 265-275. DOI: 10.1080/00222939808678042 BHL Reference page. 
• Thomas, O. 1898. Descriptions of new Bornean and Sumatran Mammals. Annals and Magazine of Natural History. Series 7 2(9): 245–251. BHL Reference page. 
• Thomas, O. 1898. Descriptions of two new Argentine Rodents. Annals and Magazine of Natural History. Series 7 1(4): 283–286. BHL Reference page. 
• Thomas, O. 1898. On indigenous Muridae in the West Indies; with the description of a new Mexican Oryzomys. Annals and Magazine of Natural History ser 7, 1: 176–180.
• Thomas, O. 1898. Descriptions of three new mammals from the East Indian Archipelago and Australia. Novitates Zoologicae 5: pg 1. BHL Reference page. 
• Thomas, O. 1898. Description of a new dik-dik antelope (Madoqua) discovered in N.E. Africa by Mr. H. S. H. Cavendish. Proceedings of the Zoological Society of London 1898(2): 278–281. BHL Reference page. 

• Thomas, O. 1899. On some small mammals from the District of Cuzco, Peru. Annals and Magazine of Natural History, series 7, 3(13): 40–44. DOI: 10.1080/00222939908678073 BHL Reference page. 
• Thomas, O. 1899. On a new species of Marmosa. Annals and Magazine of Natural History, series 7, 3(13): 44–45. DOI: 10.1080/00222939908678074 BHL Reference page. 
• Thomas, O. 1899. On new small mammals from South America. Annals and Magazine of Natural History, series 7, 3(14): 152–155. DOI: 10.1080/00222939908678093 BHL Reference page. 
• Thomas, O. [1898] 1899. On mammals collected by Mr. J. D. La Touche at Kuatun, N.W. Fokien. China. Proceedings of the Zoological Society of London 66(4): 769–775. DOI: 10.1111/j.1096-3642.1898.tb03180.x BHL Reference page. 
• Thomas, O. 1899. Description of a new Phascogale from British New Guinea, obtained by Dr. L. Loria. Annali del Museo Civico di Storia Naturale di Genova, series 2, 20(40): 191–192. BHL Reference page. 
• Thomas, O. 1899. Descriptions of new Neotropical Mammals. Annals and Magazine of Natural History, series 7, 4(22): 278–288. DOI: 10.1080/00222939908678198 BHL Reference page. 
• Thomas, O. 1899. Descriptions of new rodents from the Orinoco and Ecuador. Annals and Magazine of Natural History, series 7, 4(23): 378–383. DOI: 10.1080/00222939908678217 BHL Reference page. 

• Thomas, O. 1900. New South-American mammals. The Annals and Magazine of Natural History, including Zoology, Botany, and Geology (series 7) 5: 145–153. BHL Reference page. 
• Thomas, O. 1900. New South-American mammals. The Annals and Magazine of Natural History series 7 5: 148–153. BHL Reference page. 
• Thomas, O. 1900. Descriptions of new Neotropical Mammals. The Annals and Magazine of Natural History. Series 7 5(26): 217–222. BHL Reference page. 
• Thomas, O. 1900. Descriptions of new Neotropical mammals. The Annals and Magazine of Natural History. Series 7 5: 269–274. BHL Reference page. 
• Thomas, O. 1900. The geographical races of the Tayra (Galictis barbara), with notes on abnormally coloured individuals. Annals and Magazine of Natural History ser 7, 5: 145–148.
• Thomas, O. 1900. List of mammals obtained by Mr. H. J. Mackinder during his recent expedition to Mount Kenya, British East Africa. Proceedings of the Zoological Society of London 1900: 173–180.
• Thomas, O. 1900. Descriptions of new rodents from western South America. The Annals and Magazine of Natural History. Series 7 6(33): 294–302. BHL Reference page. 

• Thomas, O. 1901. On the more notable Mammals obtained by Sir Harry Johnston in the Uganda Protectorate. Proceedings of the Zoological Society of London II(1): 85–90. DOI: 10.1111/j.1469-7998.1901.tb08165.x BHL Reference page. 
• Thomas, O. 1901. Antilope nouvelle. Annales du Musée du Congo. Zoologie 2(1): 15–16. BHL Reference page. 
• Thomas, O. 1901. A new free-tail bat from the Lower Amazonas. Annals and Magazine of Natural History. Series 7 7(38): 190–191. BHL Reference page. 
• Thomas, O. 1901. New species of Saccopteryx, Sciurus, Rhipidomys, and Tatu from South America. Annals and Magazine of Natural History. Series 7 7(40): 366–371. BHL Reference page. 
• Thomas, O. 1901. Some new African bats (including one from the Azores) and a new Galago. The Annals and Magazine of Natural History series 7 8: 27-34. BHL Reference page. 
• Thomas, O. 1901. On a Collection of Mammals from the Kanuku Mountains, British Guiana. Annals and Magazine of Natural History. Series 7 8(44): 139–154. BHL Reference page. 
• Thomas, O. 1901. The generic names Myrmecophaga and Didelphis. American Naturalist 35: 143–145.
• Thomas, O. 1901. On mammals obtained by Mr. Alphonse Robert on the Rio Jordao, Minas Geraes. Annals and Magazine of Natural History ser 7, 8: 526–536.
• Thomas, O. 1901. On a collection of small mammals from the Upper Nile obtained by Mr. R. M. Hawker. Annals and Magazine of Natural History. Series 7 8(46): 273–278. BHL Reference page. 
• Thomas, O. 1901. New South-American Sciuri, Heteromys, Cavia, and Caluromys. Annals and Magazine of Natural History. Series 7 (38): 192–196. BHL Reference page. 
• Thomas, O. 1901. New Myotis, Artibeus, Sylvilagus, and Metachirus from Central and South America. Annals and Magazine of Natural History. Series 7 7(42): 541–545. BHL Reference page. 

• Thomas, O. 1902. On some Mammals from Coiba Island, off the west coast of Panama. Novitates Zoologicae 9: 135–137. BHL Reference page. 
• Thomas, O. 1902a. On mammals from the Serra do Mar of Paraná, collected by Mr. Alphonse Robert. The Annals and Magazine of Natural History ser. 7, 9: 59–64. DOI: 10.1080/00222930208678540 BHL Reference page. 
• Thomas, O. 1902b. On mammals from Cochabamba, Bolivia and the region north of that place. The Annals and Magazine of Natural History ser. 7, 9: 125–143. DOI: 10.1080/00222930208678556 BHL Reference page. 
• Thomas, O. 1902c. On mammals collected by Mr. Perry O. Simons in the southern part of the Bolivian Plateau. The Annals and Magazine of Natural History ser. 7, 9: 222–230. DOI: 10.1080/00222930208678573 BHL Reference page. 
• Thomas, O. 1902d. On mammals collected at Cruz del Eje, central Cordova, by Mr. P.O. Simmons. The Annals and Magazine of Natural History ser. 7, 9: 237–245. DOI: 10.1080/00222930208678580 BHL Reference page. 
• Thomas, O. 1902e. Diagnosis of a new Central American porcupine. The Annals and Magazine of Natural History ser. 7, 10: 169. DOI: 10.1080/00222930208678655 Reference page. 
• Thomas, O. 1902f. New forms of Saimiri, Oryzomys, Phyllotis, Coendou, and Cyclopes. Annals and Magazine of Natural History Series 7, 10(57): 246–250. DOI: 10.1080/00222930208678666 BHL Reference page. 
• Thomas, O. 1902. On some new Mammals from Northern Nyasaland. Proceedings of the Zoological Society of London 1(1): 118–121. BHL Reference page. 
• Thomas, O. 1902. On the Mammals collected during the Whitaker Expedition to Tripoli. Proceedings of the Zoological Society of London 2: 2–13. BHL Reference page. 
• Thomas, O. 1902. On two new mammals from China. Annals and Magazine of Natural History. Series 7 10(56): 163–166. BHL Reference page. 
• Thomas, O. 1902. On the panda of Sze-chuen. Annals and Magazine of Natural History. Series 7 10(57): 251–252. BHL Reference page. 
• Thomas, O. 1902. On the geographical races of the kinkajou. Annals and Magazine of Natural History ser 7, 9: 266–270.
• Thomas, O. 1902. On some new forms of Otomys. Annals and Magazine of Natural History, ser. 7, 10: 311–314.
• Thomas, O. 1902 [1903]. On a collection of mammals from Abyssinia including some from Lake Tsana collected by Mr. Edward Degen. Proceedings of the Zoological Society of London 1902: 308–316.

• Thomas, O. 1903. A new Duiker from West Africa. Annals and Magazine of Natural History, ser. 7, 11(63): 289–291. DOI: 10.1080/00222930308678768 BHL Reference page. 
• Thomas, O. 1903. Notes on Neotropical mammals of the genera Felis, Hapale, Oryzomys, Akodon, and Ctenomys, with descriptions of new species. The Annals and Magazine of Natural History ser. 7, 12: 234–243. DOI: 10.1080/00222930308678847 BHL Reference page. 
• Thomas, O. 1903. Notes on South-American Monkeys, Bats, Carnivores, and Rodents, with Descriptions of new Species. Annals and Magazine of Natural History, ser. 7, 12(70): 455–464. DOI: 10.1080/00222930308678880 BHL Reference page. 
• Thomas, O. 1903. On a collection of mammals from Abyssinia, including some from Lake Tsana, collected by Mr. Edward Degen. Proceedings of the Zoological Society of London 1902(2): 308–316. BHL Reference page. 
• Thomas, O. 1903. On some Mammals collected by Capt. H. N. Dunn, R.A.M.C., in the Soudan. Proceedings of the Zoological Society of London 1(2): 294–301. BHL Reference page. 
• Thomas, O. 1903. New species of Oxymycterus, Thrichomys, and Ctenomys from S. America. Annals and Magazine of Natural History, ser. 7, 11(62): 226–229. BHL Reference page. 
• Thomas, O. 1903. LXXII.— On the species of the genus Rhinopoma. Annals and magazine of natural history, 7th ser. 11: 496–499. BHL
• Thomas, O. 1903. New mammals from Chiriqui. The annals and magazine of natural history, zoology, botany and geology 7(11): 376–382.
• Thomas, O. & Trouessart, É.L. 1903. Note sur les rongeurs de Tunisie recueillis par M. Marius Blanc. Bulletin de la Société Zoologique de France 28: 171–174. BHL Reference page. 

• Thomas, O. 1904. New species of Pteropus, Mus, and Pogonomys from the Australian region. Novitates Zoologicae 11: 597–600. BHL Reference page. 
• Thomas, O. & Schwann, H. 1904. On a collection of mammals from British Namaqualand, presented to the National Museum by Mr. C. D. Rudd. Abstracts of the Proceedings of the Zoological Society of London 1904, Vol. 1: 171–183. BHL Reference page. 
• Thomas, O. 1904. Two new Mammals from South America. The Annals and Magazine of Natural History, including Zoology, Botany, and Geology, ser. 7, 13(74): 142–144. DOI: 10.1080/00222930408562450 BHL Reference page. 
• Thomas, O. 1904. New Bats from British East Africa collected by Mrs. Hinde, and from the Cameroons by Mr. G. L. Bates. Annals and Magazine of Natural History, ser. 7, 13(75): 206–210. DOI: 10.1080/00222930408678899 BHL Reference page. 
• Thomas, O. 1904. New Forms of Saimiri, Saccopteryx, Balantiopteryx, and Thrichomys from the Neotropical Region. Annals and Magazine of Natural History, ser. 7, 13(76): 250–255. DOI: 10.1080/00222930409487064 BHL Reference page. 
• Thomas, O. 1904. On some small Mammals collected by Mr. A. M. Mackilligin in the Eastern Desert of Egypt. Annals and Magazine of Natural History, ser. 7, 14(80): 155–159. DOI: 10.1080/03745480409442986 BHL Reference page. 
• Thomas, O. 1904. New Callithrix, Midas, Felis, Rhipidomys, and Proechimys from Brazil and Ecuador. Annals and Magazine of Natural History, ser. 7, 14(81): 188–196. DOI: 10.1080/03745480409442992 BHL Reference page. 
• Thomas, O. 1904 [1905]. On Hylochoerus, the forest pig of Central Africa. Proceedings of the Zoological Society of London 1904(2): 193–199.
• Thomas, O. 1904. On mammals from northern Angola collected by Dr. W. J. Ansorge. Annals and Magazine of Natural History ser 7, 13: 405–421.
• Thomas, O. 1904. On a collection of mammals obtained in Somaliland by Major H. N. Dunn, R.A.M.C., with descriptions of allied species from other localities. Annals and Magazine of Natural History (7) 14(80): 94–105. BHL Reference page. 
• Thomas, O. 1904. On mammals from Northern Angola collected by Dr. W. J. Ansorge. Annals and Magazine of Natural History. Series 7 13(78): 405–421. BHL Reference page. 
• Thomas, O. 1904. Mr. Oldfield Thomas, F.R.S., read a paper on the Mammals obtained in the island of Fernando Po by Mr. E. Seimund. Abstracts of the Proceedings of the Zoological Society of London 10: 12. BHL Reference page. 
• Thomas, O. 1904. On the Osteology and Systematic Position of the rare Malagasy Bat Myzopoda aurita. Proceedings of the Zoological Society of London 2: 2–6. BHL Reference page. 
• Thomas, O. 1904. Exhibition of specimens and descriptions of new species of mammals from New Guinea. Proceedings of the Zoological Society of London 2: 196–202. BHL Reference page. 

• Thomas, O. "1905" [1906]. The Duke of Bedford's zoological exploration in eastern Asia. I. List of mammals obtained by Mr. M.P. Anderson in Japan. Proceedings of the Zoological Society of London 2: 331–363. DOI: 10.1111/j.1469-7998.1906.tb08400.x BHL Reference page. 
• Thomas, O. 1905. On some new Japanese mammals presented to the British Museum by Mr. R. Gordon Smith. Annals and Magazine of Natural History Series 7. 15(89): 487–495. BHL Reference page. 
• Thomas, O. 1905. On the Mammals collected in Japan by Mr. M. P. Anderson for His Grace the Duke of Bedford, and presented by the latter to the National Museum. Abstract of the Proceedings of the Zoological Society of London 23: 18–19. BHL Reference page. 
• Thomas, O. 1905. New Neotropical Chrotopterus, Sciurus, Neacomys, Coendou, Proechimys, and Marmosa. Annals and Magazine of Natural History. Series 7 16 (93):308–314. BHL Reference page. 
• Thomas, O. & Wroughton, R.C. 1905. On a second collection of mammals obtained by Dr. W. J. Ansorge in Angola. Annals and Magazine of Natural History, series 7, 16(92): 169–178. DOI: 10.1080/03745480509443664 BHL Reference page. 

• Thomas, O. 1906. New African Mammals of the Genera Cercopithecus, Scotophilus, Miniopterus, Crocidura, Georychus, and Heliophobius. Annals and Magazine of Natural History. Series 7 17(98): 173–179. DOI: 10.1080/00222930608562508 ; BHL Reference page. 
• Thomas, O. 1906. Descriptions of new mammals from Mount Ruwenzori. Annals and Magazine of Natural History ser 7, 18: 136–147. BHL Reference page. 
• Thomas, O. 1906. Two new genera of small mammals discovered by Mrs. Holms-Tarn in British East Africa. The Annals and Magazine of Natural History ser. 7, 18(105): 223–224. BHL Reference page. 
• Thomas, O. 1906. New mammals collected in north-east Africa by Mr. Zaphiro, and presented to the British Museum by W. N. McMilan, Esq. Annals and Magazine of Natural History ser 7, 18: 300–306.
• Thomas, O. 1906. Notes on South- American rodents. The Annals and Magazine of Natural History ser. 7, 18: 442–448. DOI: 10.1080/00222930608562646 BHL Reference page. 
• Thomas, O. 1906. On some African bats and rodents. Annals and Magazine of Natural History. Series 7 18(106): 294–299. BHL Reference page. 
• Thomas, O. 1906. New mammals from the Australian region. Annals and Magazine of Natural History. Series 7 17(99): 324–332. BHL Reference page. 
• Thomas, O. 1906. On the generic arrangement of the Australian rats hitherto referred to Conilurus, with remarks on the structure and evolution of their molar cusps. Annals and Magazine of Natural History. Series 7 17(97): 81–85. BHL Reference page. 
• Thomas, O. 1906. A Third Genus of the Ichthyomys Group. Annals and Magazine of Natural History. Series 7 17(100): p. 421. BHL Reference page. 

• Thomas, O. 1907. The Duke of Bedford's zoological exploration in eastern Asia. IV. List of small mammals from the islands of Saghalien and Hokkaido (with appendix on the cold-blooded vertebrates, by G.A. Boulenger). Proceedings of the Zoological Society of London January to April: 404–414. DOI: 10.1111/j.1096-3642.1907.tb01825.x BHL Reference page. 
• Thomas, O. 1907. On further new Mammals obtained by the Ruwenzori Expedition. The Annals and Magazine of Natural History, including Zoology, Botany, and Geology, ser. 7, 19(109): 118–123. DOI: 10.1080/00222930709487236 BHL Reference page. 
• Thomas, O. 1907. On Neotropical Mammals of the Genera Callicebus, Reithrodontomys, Ctenomys, Dasypus, and Marmosa. The Annals and Magazine of Natural History, including Zoology, Botany, and Geology, ser. 7, 20(116): 161–168. DOI: 10.1080/00222930709487318 BHL Reference page. 
• Thomas, O. 1907. On mammals from northern Persia, presented to the National Museum by Col. A. C. Bailward. Annals and Magazine of Natural History. Series 7 20(117): 196–202. BHL Reference page. 
• Thomas, O. 1907. A new flying-squirrel from Formosa. Annals and Magazine of Natural History. Series 7 20(120): 522–523. BHL Reference page. 
• Thomas, O. 1907. The Duke of Bedford's zoological exploration in eastern Asia.-V. Second list of mammals from Korea. Proceedings of the Zoological Society of London [1907](3): 462–470. BHL Reference page. 
• Thomas, O. 1907. On three new mammals from British New Guinea. Annals and Magazine of Natural History. Series 7 20: 70–72. BHL Reference page. 
• Thomas, O. & Wroughton, R.C. 1907. The Rudd exploration of South Africa.— VII. List of mammals obtained by Mr. Grant at Coguno, Inhambane. Proceedings of the Zoological Society of London 77(2): 285–299. DOI: 10.1111/j.1096-3642.1907.tb01819.x BHL Reference page. 
• Thomas, O. & Wroughton, R.C. 1907. New mammals from Lake Chad and the Congo, mostly from the collections made during the Alexander-Gosling expedition. Annals and Magazine of Natural History. Series 7 19: 370–387. BHL Reference page. 

• Thomas, O. 1908. The Duke of Bedford’s zoological exploration in Eastern Asia-X. List of mammals from the provinces of Chih-li and Shan-si, N. China. Proceedings of the Zoological Society of London 78: 635–646. BHL Reference page. 
• Thomas, O. 1908. Four new Amazonian Monkeys. Annals and Magazine of Natural History, ser. 8, 2(7): 88–91. DOI: 10.1080/00222930808692455 BHL Reference page. 
• Thomas, O. 1908. The nomenclature of the flying lemurs. Annals and Magazine of Natural History, ser. 8, 1(3): 252–255. BHL Reference page. 
• Thomas, O. 1908. The genera and subgenera of the Sciuropterus Group, with descriptions of three new species. Annals and Magazine of Natural History, ser. 8, 1(1): 1–8. BHL Reference page. 
• Thomas, O. & Wroughton, R.C. 1908. On a new oribi obtained by Major Powell-Cotton in British East Africa. Annals and Magazine of Natural History, series 8, 1(2): 177–178. DOI: 10.1080/00222930808692380 BHL Reference page. 
• Thomas, O. & Wroughton, R.C. 1908. The Rudd exploration of South Africa.— IX. List of mammals obtained by Mr. Grant on the Gorongoza Mountains, Portuguese S.E. Africa. Proceedings of the Zoological Society of London 78(2): 164–173. DOI: 10.1111/j.1096-3642.1908.tb01842.x BHL Reference page. 
• Thomas, O. & Wroughton, R.C. 1908. The Rudd exploration of South Africa.— X. List of mammals obtained by Mr. Grant near Tette, Zambesia. Proceedings of the Zoological Society of London 78(3): 535–553. DOI: 10.1111/j.1469-7998.1908.tb07390.x BHL Reference page. 

• Thomas, O. 1909. Some mammals from N.E. Kimberley, Northern Australia. Annals and Magazine of Natural History, series 8, 3(14): 149–152. DOI: 10.1080/00222930908692558 BHL Reference page. 
• Thomas, O. 1909. On mammals collected in Turkestan by Mr. Douglas Carruthers. Annals and Magazine of Natural History, series 8, 3(15): 257–266. DOI: 10.1080/00222930908692572 BHL Reference page. 
• Thomas, O. [1908] 1909. The Duke of Bedford's zoological exploration in eastern Asia.— XI. On mammals from the provinces of Shan-si and Shen-si, northern China. Proceedings of the Zoological Society of London 78(4): 963–983. DOI: 10.1111/j.1469-7998.1908.00963.x BHL Reference page. 
• Thomas, O. 1909. On the N. Australian rats referred to the genus Mesembriomys. Annals and Magazine of Natural History, series 8, 3(16): 372–374. DOI: 10.1080/00222930908692593 BHL Reference page. 
• Thomas, O. 1909. New species of Paradoxurus of the P. philippinensis group, and a new Paguma. Annals and Magazine of Natural History, series 8, 3(16): 374–377. DOI: 10.1080/00222930908692594 BHL Reference page. 
• Thomas, O. 1909. New species of Oecomys and Marmosa from Amazonia. Annals and Magazine of Natural History, series 8, 3(16): 378–380. DOI: 10.1080/00222930908692595 BHL Reference page. 
• Thomas, O. 1909. The generic arrangement of the African squirrels. Annals and Magazine of Natural History, series 8, 3(18): 467–475. DOI: 10.1080/00222930908692611 BHL Reference page. 
• Thomas, O. 1909. [Exhibition of specimens of a new rat which had been obtained by Mr. G. C. Shortridge during the Society's collecting expedition to Central America]. Abstracts of the Proceedings of the Zoological Society of London No. 73: 32. BHL Reference page. 
• Thomas, O. 1909. New African small mammals in the British Museum collection. Annals and Magazine of Natural History, series 8, 4(20): 98–112. DOI: 10.1080/00222930908692647 BHL Reference page. 
• Thomas, O. 1909. A new gibbon from Annam. Annals and Magazine of Natural History, series 8, 4(20): 112–113. DOI: 10.1080/00222930908692648 BHL Reference page. 
• Thomas, O. 1909. Two new mammals from northern Australia. Annals and Magazine of Natural History, series 8, 4(21): 197–198. DOI: 10.1080/00222930908692661 BHL Reference page. 
• Thomas, O. 1909. Notes on some South-American mammals, with descriptions of new species. Annals and Magazine of Natural History series 8, 4(21): 230–242. DOI: 10.1080/00222930908692666 BHL Reference page. 
• Thomas, O. 1909. A new rat from Guatemala. Proceedings of the Zoological Society of London 79(3): 669–670. BHL Reference page. 
• Thomas, O. 1909. Four new African squirrels. Annals and Magazine of Natural History, series 8, 4(23): 476–479. DOI: 10.1080/00222930908692699 BHL Reference page. 
• Thomas, O. 1909. A collection of mammals from northern and central Mantchuria. Annals and Magazine of Natural History, series 8, 4(24): 500–505. DOI: 10.1080/00222930908692708 BHL Reference page. 
• Thomas, O. 1909. New African mammals. Annals and Magazine of Natural History, series 8, 4(24): 542–549. DOI: 10.1080/00222930908692715 BHL Reference page. 
• Thomas, O. & Dollman, G. [1908] 1909. On mammals from Inkerman, north Queensland, presented to the National Museum by Sir William Ingram, Bt., and the Hon. John Forrest. Proceedings of the Zoological Society of London 78(4): 788–794, pl. 43. DOI: 10.1111/j.1469-7998.1908.00788.x BHL Reference page. 
• Thomas, O. & Wroughton, R.C. 1909. [On a collection of mammals from western Java, presented to the National Collection by Mr. W. E. Balston]. Abstracts of the Proceedings of the Zoological Society of London No. 68: 18–19. BHL Reference page. 
• Thomas, O. & Wroughton, R.C. 1909. Two new macaques from W. Java. Annals and Magazine of Natural History, series 8, 3(16): 380–381. DOI: 10.1080/00222930908692596 BHL Reference page. 
• Thomas, O. & Wroughton, R.C. 1909. Diagnoses of new mammals collected by Mr. H. C. Robinson in the Malay Peninsula and Rhio Archipelago. Annals and Magazine of Natural History, series 8, 3(17): 439–441. DOI: 10.1080/00222930908692605 BHL Reference page. 
• Thomas, O. & Wroughton, R.C. 1909. On a collection of mammals from western Java presented to the National Museum by Mr. W. E. Balston. Proceedings of the Zoological Society of London 79(2): 371–392. DOI: 10.1111/j.1096-3642.1909.tb01875.x BHL Reference page. 
• Thomas, O. & Wroughton, R.C. 1909. Diagnoses of new mammals collected by Mr. H. C. Robinson in the islands of the Straits of Malacca. Annals and Magazine of Natural History, series 8, 4(24): 534–536. BHL Reference page. 
• Thomas, O. & Wroughton, R.C. 1909. On mammals from the Rhio Archipelago and Malay Peninsula collected by Messrs. H. C. Robinson, C. Boden Kloss, and E. Seimund, and presented to the National Museum by the Government of the Federated Malay States. Journal of the Federated Malay States Museums 4: 99–129. BHL Reference page. 

• Thomas, O. 1910. Further new African Mammals. The Annals and Magazine of Natural History, including Zoology, Botany, and Geology, ser. 8, 5(26): 191–284. DOI: 10.1080/00222931008692751 BHL Reference page. 
• Thomas, O. 1910. New genera of Australasian Muridæ. Annals and Magazine of Natural History. Series 8 6(35): 506–508. BHL Reference page. 
• Thomas, O. 1910. A new Genus for Dactylopsila palpator. Annals and Magazine of Natural History, ser. 8, 6(36): 610. DOI: 10.1080/00222931008692892 BHL Reference page. 
• Thomas, O. 1910. Three new African Rodents. Annals and Magazine of Natural History (8) 5(29): 419–422. BHL Reference page. 
• Thomas, O. 1910. New African mammals. Annals and Magazine of Natural History. Series 8 5(25): 83–92. BHL Reference page. 
• Thomas, O. 1910. A collection of mammals from eastern Buenos Ayres, with descriptions of related new mammals from other localities. Annals and Magazine of Natural History. Series 8 5(27): 239–247. BHL Reference page. 
• Thomas, O. 1910. New African mammals in the British Museum. Annals and Magazine of Natural History. Series 8 6(34): 426–432. BHL Reference page. 
• Thomas, O. 1910. Three new Asiatic mammals. Annals and Magazine of Natural History. Series 8 5(30): 534–536. BHL Reference page. 
• Thomas, O. 1910. Notes on African Rodents. Annals and Magazine of Natural History. Series 8 6(32): 222. BHL Reference page. 
• Thomas, O. 1910. The Generic Arrangement of the Australian Murines hitherto referred to "Mus.". Annals and Magazine of Natural History. Series 8 6: pg. 606. BHL Reference page. 
• Thomas, O. & Wroughton, R.C. 1910. Ruwenzori Expedition Reports. 17. Mammalia. Transactions of the Zoological Society of London 19(5): 481–518, pls. 30–34. DOI: 10.1111/j.1469-7998.1909.tb08569.x BHL Reference page. 

• Thomas, O. 1911. The Mammals of the Tenth Edition of Linnaeus; an Attempt to fix the Types of the Genera and the exact Bases and Localities of the Species. Proceedings of the Zoological Society of London 81(1): 120–158. DOI: 10.1111/j.1469-7998.1911.tb06995.x BHL Reference page. 
• Thomas, O. 1911. Mammals collected in the Provinces of Kan-su and Sze-chwan, western China, by Mr. Malcolm Anderson, for the Duke of Bedford's exploration of eastern Asia. Abstracts of the Proceedings of the Zoological Society of London 90: 3–5. BHL Reference page. 
• Thomas, O. 1911. A new murine genus and species from Sind, with diagnoses of three other new genera based on previously known species of "Mus". Journal of the Bombay Natural History Society 20(4): 996–999. BHL Reference page. 
• Thomas, O. 1911. Mammals collected in southern Shen-si, central China, by Mr. Malcolm Anderson, for the Duke of Bedford's exploration of eastern Asia. Abstracts of the Proceedings of the Zoological Society of London 95: 26–27. BHL Reference page. 
• Thomas, O. 1911. New mammals from Central and Western Asia, mostly collected by Mr. Douglas Carruthers. Annals and Magazine of Natural History (8) 8(48): 758–762. BHL Reference page. 
• Thomas, O. 1911. New rodents from Sze-chwan collected by Capt. F. M. Bailey. Annals and Magazine of Natural History (8) 8(48): 727–729. BHL Reference page. 
• Thomas, O. 1911. On new African Muridæ. Annals and magazine of natural history (8. Ser.) 7(40): 378–383. BHL Reference page. 
• Thomas, O. 1911. New Asiatic Muridae. Annals and Magazine of Natural History (8) 7(38): 205–209. BHL Reference page. 
• Thomas, O. 1911. Mammals collected in the Provinces of Sze-chwan and Yunnan, W. China. Abstracts of the Proceedings of the Zoological Society of London 100: 48–50. BHL Reference page. 

• Thomas, O. 1912. Three small mammals from South-America. Annals and Magazine of Natural History ser. 8, 9:408-410.
• Thomas, O. 1912. On insectivores and rodents collected by Mr. F. Kingdon Ward in N.W. Yunnan. Annals and Magazine of Natural History (8)9(53):513-519. BHL. Reference page. 
• Thomas, O. 1912. New species of Crocidura and Petaurista from Yunnan. Annals and Magazine of Natural History (8)9(54):686-688. BHL. Reference page. 
• Thomas, O. 1912. New bats and rodents from South America. Annals and Magazine of Natural History (8)10(58):403-411. BHL. Reference page. 
• Thomas, O. 1912. On a collection of small mammals from the Tsin-ling Mountains, Central China, presented to Mr. G. Fenwick Owen to the National Museum. Annals and Magazine of Natural History. Series 8, 10(58): 395–403. BHL Reference page. 
• Thomas, O. 1912. On mammals from central Asia, collected by Mr. Douglas Carruthers. Annals and Magazine of Natural History. Series 8 9: 391–408. BHL Reference page. 
• Thomas, O. 1912. Two new Genera and a new Species of Viverrinae Carnivora. Proceedings of the Zoological Society of London 2: pg. 499. BHL Reference page. 
• Thomas, O. 1912. Exhibition of skin and skull of a viverrine carnivore from Tonkin. Proceedings of the Zoological Society of London 106: pg. 17. BHL Reference page. 

• Thomas, O. 1913. Notes on S. American Leporidæ. Annals and Magazine of Natural History, 8th Ser., 11(62):209–214. DOI: 10.1080/00222931308693309. BHL. Reference page. 
• Thomas, O. 1913. Four new shrews. Annals and Magazine of Natural History. Series 8 11(62): 214–218. BHL Reference page. 
• Thomas, O. 1913. New forms of Akodon and Phyllotis, and a new genus for "Akodon" teguina. Annals and Magazine of Natural History. Series 8 11(64): 404–409. BHL Reference page. 
• Thomas, O. 1913. On certain of the smaller S.-American Cervidae. The Annals and Magazine of Natural History, including Zoology, Botany, and Geology 8th Ser., 11(66): 585–589. DOI: 10.1080/00222931308693360 BHL Reference page. 
• Thomas, O. 1913. Some new Ferae from Asia and Africa. Annals and Magazine of Natural History, ser. 8, 12(67): 88–92. DOI: 10.1080/00222931308693375 BHL Reference page. 
• Thomas, O. 1913. On new mammals obtained by the Utakwa Expedition to Dutch New Guinea. Annals and Magazine of Natural History ser. 8, 12(68): 205–212. BHL Reference page. 
• Thomas, O. 1913. Two new Australian mammals. Annals and Magazine of Natural History ser. 8, 11(61): 79–80. BHL Reference page. 
• Thomas, O. 1913. On African bats and shrews. Annals and Magazine of Natural History ser. 8, 11(63): 321. BHL Reference page. 
• Thomas, O. 1913. On a remarkable new Free-tailed Bat from Southern Bombay. Journal of the Bombay Natural History Society 22: 87–91. BHL Reference page. 

• Thomas, O. 1914. On various South-American Mammals. Annals and Magazine of Natural History. Series 8 13(75): 345–363. DOI: 10.1080/00222931408693492 ; BHL Reference page. 
• Thomas, O. 1914. New Callicebus and Eumops from S. America. Annals and Magazine of Natural History. Series 8 13(77): 480–481. BHL Reference page. 
• Thomas, O. 1914. Scientific results of the mammal survey. No. VII. Journal of the Bombay Natural History Society 23(1): 23–31. BHL Reference page. 

• Thomas, O. 1915. New African rodents and insectivores, mostly collected by Dr. C. Christy for the Congo Museum. Annals and Magazine of Natural History (8) 16(92): 146–152. DOI: 10.1080/00222931508693699 BHL Reference page. 
• Thomas, O. 1915. On Bats of the Genera Nyctalus, Tylonycteris, and Pipistrellus. Annals and Magazine of Natural History Series 8. 15(86): 225–232. DOI: 10.1080/00222931508693632 . BHL Reference page. 
• Thomas, O. 1915. Scientific results of the mammal survey. No. IX. Journal of the Bombay Natural History Society 23(3): 413–416. BHL Reference page. 
• Thomas, O. 1915. Notes on bats of the genus Coleura. Annals and Magazine of Natural History. Series 8 15(90): 576–579. BHL Reference page. 
• Thomas, O. 1915. List of Mammals (exclusive of Ungulata) collected on the Upper Congo by Dr. Christy for the Congo Museum, Tervueren. Annals and Magazine of Natural History. Series 8 16(96): pg. 477. BHL Reference page. 
• Thomas, O. 1915. Notes on the Asiatic bamboo-rats (Rhizomys, etc.). Annals and Magazine of Natural History. Series 8 16(57): pg. 57. BHL Reference page. 

• Thomas, O. 1916. Scientific results from the mammal survey, No. XIII. A.—On Muridae from Darjiling and the Chin Hills. Journal of the Bombay Natural History Society 24(3): 404–415. BHL Reference page. 
• Thomas, O. 1916. On small mammals obtained in Sankuru, South Congo, by Mr. H. Wilson. Annals and Magazine of Natural History. Series 8 18(104): 234–239. BHL Reference page. 
• Thomas, O. 1916. List of Microchiroptera, other than leaf-nose bats, in the collection of the Federated Malay States Museums. Journal of the Federated Malay States Museums 7: 1–6. BHL Reference page. 
• Thomas, O. 1916. On the Rats usually included in the Genus Arvicanthis. Annals and Magazine of Natural History. Series 8 18(69): 67–70. BHL Reference page. 
• Thomas, O. 1916. Some Notes on the Echimyinæ. Annals and Magazine of Natural History. Series 8 18(105): pg. 300. BHL Reference page. 
• Thomas, O. 1916. On the Generic Names Rattus and Phyllomys. Annals and Magazine of Natural History. Series 8 18(104): pg. 240. BHL Reference page. 
• Thomas, O. 1916. On the Grouping of the South-American Muridae that have been referred to Phyllotis, Euneomys, and Eligmodontia. Annals and Magazine of Natural History. Series 8 17(97): pg. 141. BHL Reference page. 
• Thomas, O. & Wroughton, R.C. 1916. A new flying squirrel from the Chin Hills. Journal of the Bombay Natural History Society 24(3): 423–424. BHL Reference page. 

• Thomas, O. 1917. On the arrangement of the South American rats allied to Oryzomys and Rhipidomys. The Annals and Magazine of Natural History series 8 20: 192-198. DOI: 10.1080/00222931709486990 BHL Reference page. 
• Thomas, O. 1917. The Spalax of the Grecian Archipelago. Annals and Magazine of Natural History. Series 8 20(118): 315–317. DOI: 10.1080/00222931709487012 ; BHL Reference page. 
• Thomas, O. 1917. A new species of Aconæmys from southern Chili. Annals and Magazine of Natural History. Series 8 19(111): 281–282. BHL Reference page. 
• Thomas, O. 1917. A new species of Aconæmys from southern Chili. Annals and Magazine of Natural History. Series 8 19(111): 456–457. BHL Reference page. 
• Thomas, O. 1917. Preliminary diagnoses of new mammals obtained by the Yale-National Geographic Society Peruvian Expedition. Smithsonian Miscellaneous Collections 68(4): p. 1. BHL Reference page. 

• Thomas, O. 1918. A selection of lectotypes of Indian mammals, from the co-types described by Hodgson, Gray, Elliot and others. Journal of the Bombay Natural History Society 25(3): 368–372. BHL Reference page. 
• Thomas, O. 1918. Two new Tuco-tucos from Argentina. Annals and Magazine of Natural History, ser. 9, 1(1): 38–40. DOI: 10.1080/00222931808562284 BHL Reference page. 
• Thomas, O. 1918. On small Mammals from Salta and Jujuy collected by Mr. E. Budin. Annals and Magazine of Natural History, ser. 9, 1(2): 186–193. DOI: 10.1080/00222931808562299 BHL Reference page. 
• Thomas, O. 1918. The Generic Division of the Hedgehogs. Annals and Magazine of Natural History, ser. 9, 1(2): 193–196. DOI: 10.1080/00222931808562300 BHL Reference page. 
• Thomas, O. 1918. Four new Species of Hedgehog. Annals and Magazine of Natural History, ser. 9, 1(3): 230–233. DOI: 10.1080/00222931808562305 BHL Reference page. 
• Thomas, O. 1918. Some Notes on the small Sand-Foxes of North Africa. Annals and Magazine of Natural History, ser. 9, 1(3): 242–245. DOI: 10.1080/00222931808562308 BHL Reference page. 
• Thomas, O. 1918. On the Arrangement of the small Tenrecidae hitherto referred to Oryzorictes and Microgale. Annals and Magazine of Natural History, ser. 9, 1(4): 302–307. DOI: 10.1080/00222931808562317 BHL Reference page. 
• Thomas, O. 1918. Notes on Petrodromus and Rhynchocyon. Annals and Magazine of Natural History, ser. 9, 1(5): 364–370. DOI: 10.1080/00222931808562328 BHL Reference page. 
• Thomas, O. 1918. A new Wild Dog from the Bogotá Cordillera. Annals and Magazine of Natural History, ser. 9, 1(5): 370–371. DOI: 10.1080/00222931808562329 BHL Reference page. 
• Thomas, O. 1918. New Forms of Dendromus, Dipodillus, and Gerbillus. Annals and Magazine of Natural History, ser. 9, 2(7): 59–64. DOI: 10.1080/00222931808562343 BHL Reference page. 
• Thomas, O. 1918. New Species of Gerbillus and Taterillus. Annals and Magazine of Natural History, ser. 9, 2(8): 146–151. DOI: 10.1080/00222931808562354 BHL Reference page. 
• Thomas, O. 1918. A new Duiker from Zanzibar. Annals and Magazine of Natural History, ser. 9, 2(8): 151–152. DOI: 10.1080/00222931808562355 BHL Reference page. 
• Thomas, O. 1918. A revised Classification of the Otomyinae, with Descriptions of new Genera and Species. Annals and Magazine of Natural History, ser. 9, 2(9): 203–211. DOI: 10.1080/00222931808562366 BHL Reference page. 
• Thomas, O. 1918. The Hedgehog of Palestine and Asia Minor. Annals and Magazine of Natural History, ser. 9, 2(9): 211–213. DOI: 10.1080/00222931808562367 BHL Reference page. 
• Thomas, O. 1918. A new Species of Eligmodontia from Catamarca. Annals and Magazine of Natural History, ser. 9, 2(12): 482–484. DOI: 10.1080/00222931808673791 BHL Reference page. 
• Thomas, O. 1918. Two new Forms of Leggada. Annals and Magazine of Natural History, ser. 9, 2(12): 484–486. DOI: 10.1080/00222931808673792 BHL Reference page. 

• Thomas, O. 1919. List of mammals from the highlands of Jujuy, North Argentina, collected by Sr. E. Budin. Annals and Magazine of Natural History (9)4(21):128-135. BHL Reference page. 
• Thomas, O. 1919. Some new mammals from Mesopotamia. Journal of the Bombay Natural History Society 26(3): 745–749. BHL Reference page. 
• Thomas, O. 1919. Two new gerbils from Sinai. Annals and Magazine of Natural History (9) 3(18): 559–560. BHL Reference page. 
• Thomas, O. 1919. On some small mammals from Catamarca. Annals and Magazine of Natural History, ser. 9, 3(13): 115–118. BHL Reference page. 
• Thomas, O. 1919. On small mammals collected by Sr. E. Budin in north-western Patagonia. Annals and Magazine of Natural History, ser. 9, 3(14): 199–212. BHL Reference page. 

• Thomas, O. 1920. On Neotropical bats of the genus Eptesicus. Annals and Magazine of Natural History. Series 9 5(28): 360–367. BHL Reference page. 
• Thomas, O. 1920. New small Mammals from New Guinea. Annals and Magazine of Natural History, ser. 9, 6(36): 533–537. DOI: 10.1080/00222932008632480 BHL Reference page. 
• Thomas, O. & Hinton M.A.C. 1920. Captain Angus Buchanan's Aïr Expedition. I. On a series of small mammals from Kano. Novitates Zoologicae 27(1): 315–320. BHL Reference page. 
• Thomas, O. 1920. On small mammals from the Famatina Chain, north-western Rioja. Annals and Magazine of Natural History ser. 9, 6(34): 417–422. BHL Reference page. 
• Thomas, O. 1920. On mammals from near Tinogasta, Catamarca, collected by Sr. Budin. Annals and Magazine of Natural History ser. 9, 6(31): 116–120. BHL Reference page. 
• Thomas, O. 1920. Two new species of Sylvilagus from Colombia. Annals and Magazine of Natural History ser. 9, 5(25): 31–33. BHL Reference page. 
• Thomas, O. 1920. New species of Reithrodon, Abrocoma, and Scapteromys from Argentina. Annals and Magazine of Natural History ser. 9, 5(30): 473–478. BHL Reference page. 
• Thomas, O. & Hinton M.A.C. 1920. On the group of African Zorils represented by Ictonyx libyca. The Annals and Magazine of Natural History 9(5): pg. 367. BHL Reference page. 
• Thomas, O. 1920. The generic Positions of "Mus" nigricauda, Thos., and woosnami, Schwann. Annals and Magazine of Natural History. Series 9 5(25): 140–142. BHL Reference page. 

• Thomas, O. 1921. New Rhipidomys, Akodon, Ctenomys, and Marmosa from the Sierra Santa Barbara, SE Jujuy. The Annals and Magazine of Natural History series 9 7: 183–187. DOI: 10.1080/00222932108632506 BHL Reference page. 
• Thomas, O. 1921. On a new genus and species of shrew, and some new Muridæ from the East-Indian Archipelago. Annals and Magazine of Natural History. Series 9 7(39): 243–249. BHL Reference page. 
• Thomas, O. 1921. On small mammals from the Kachin Province, northern Burma. Journal of the Bombay Natural History Society 27(3): 499–505. BHL Reference page. 
• Thomas, O. 1921. The tuco-tuco of San Juan, Argentina. Annals and Magazine of Natural History. Series 9 7(42): 523–524. BHL Reference page. 
• Thomas, O. 1921. On mammals from the Province of San Juan, western Argentina. Annals and Magazine of Natural History (ser. 9) 8(44): 214–221. BHL Reference page. 
• Thomas, O. 1921. A new cotton-tail (Sylvilagus) from Colombia. Annals and Magazine of Natural History. Series 9 8(46): 442–443. BHL Reference page. 
• Thomas, O. 1921. On a further collection of mammals from Jujuy obtained by Sr. E. Budin. Annals and Magazine of Natural History. Series 9 8(48): 608–617. BHL Reference page. 
• Thomas, O. 1921. On Spiny Rats of the, Proechimys Group from South-eastern Brazil. Annals and Magazine of Natural History. Series 9 8(43): pg. 140. BHL Reference page. 
• Thomas, O. 1921. Three new species of Marmosa, with a note on Didelphys waterhousei, Tomes. Annals and Magazine of Natural History. Series 9 7(42): 519–523. BHL Reference page. 

• Thomas, O. 1922. On mammals from the Yunnan highlands collected by Mr. George Forrest and presented to the British Museum by Col. Stephenson R. Clarke, D.S.O. Annals and Magazine of Natural History (9) 10(58): 391–406. BHL Reference page. 
• Thomas, O. 1922. The bandicoots of Nuyts Archipelago, S. Australia, and of Cape York, N. Queensland. Annals and Magazine of Natural History (9) 9(54): 677–679. BHL Reference page. 
• Thomas, O. 1922. On some new forms of Ochotona. Annals and Magazine of Natural History. Series 9 9(50): 187–193. BHL Reference page. 
• Thomas, O. 1922. A subdivision of the genus Uromys. Annals and Magazine of Natural History. Series 9 9(51): pg. 261. BHL Reference page. 

• Thomas, O. 1923. The Godman Exploration Fund: List of Mammals from North Queensland collected by Mr. T. V. Sherrin. The Annals and Magazine of Natural History, including Zoology, Botany, and Geology, ser. 9, 11(61): 170–178. DOI: 10.1080/00222932308632835 BHL Reference page. 
• Thomas, O. 1923. On some Queensland Phalangeridae. The Annals and Magazine of Natural History, including Zoology, Botany, and Geology, ser. 9, 11(62): 246–250. DOI: 10.1080/00222932308632848 BHL Reference page. 
• Thomas, O. 1923. On some small Mammals, chiefly Bats, from the East Indian Archipelago. The Annals and Magazine of Natural History, including Zoology, Botany, and Geology, ser. 9, 11(62): 250–255. BHL DOI: 10.1080/00222932308632849 Reference page. 
• Thomas, O. 1923. Some new African Squirrels. The Annals and Magazine of Natural History, including Zoology, Botany, and Geology, ser. 9, 11(64): 518–523. DOI: 10.1080/00222932308632879 BHL Reference page. 
• Thomas, O. 1923. The West African Forms of Heliosciurus rufobrachium. The Annals and Magazine of Natural History, including Zoology, Botany, and Geology, ser. 9, 11(64): 523–526. DOI: 10.1080/00222932308632880 BHL Reference page. 
• Thomas, O. 1923. New Subspecies of Protoxerus stangeri, the Giant Squirrel of Equatorial Africa. The Annals and Magazine of Natural History, including Zoology, Botany, and Geology, ser. 9, 11(64): 527–529. DOI: 10.1080/00222932308632881 BHL Reference page. 
• Thomas, O. 1923. The Geographical Races of Lutreolina crassicaudata. The Annals and Magazine of Natural History, including Zoology, Botany, and Geology, ser. 9, 11(65): 583–585. DOI: 10.1080/00222932308632892 BHL Reference page. 
• Thomas, O. 1923. The Native Rat of Pearson's Islands, S. Australia. The Annals and Magazine of Natural History, including Zoology, Botany, and Geology, ser. 9, 11(65): 601–602. DOI: 10.1080/00222932308632894 BHL Reference page. 
• Thomas, O. 1923. New Subspecies of Metachirus. The Annals and Magazine of Natural History, including Zoology, Botany, and Geology, ser. 9, 11(65): 602–607. DOI: 10.1080/00222932308632895 BHL Reference page. 
• Thomas, O. 1923. Two new Guenons from the Ivory Coast, West Africa. The Annals and Magazine of Natural History, including Zoology, Botany, and Geology, ser. 9, 11(65): 607–608. DOI: 10.1080/00222932308632896 BHL Reference page. 
• Thomas, O. 1923. On Mammals from the Li-kiang Range, Yunnan, being a further Collection obtained by Mr. George Forrest. The Annals and Magazine of Natural History, including Zoology, Botany, and Geology, ser. 9, 11(66): 655–663. DOI: 10.1080/00222932308632906 BHL Reference page. 
• Thomas, O. & Hinton, M.A.C. 1923. On the Mammals obtained in Darfur by the Lynes-Lowe Expedition. Proceedings of the Zoological Society of London 93(2): 247–271. DOI: 10.1111/j.1096-3642.1923.tb02185.x BHL Reference page. 
• Thomas, O. & Hinton, M.A.C. 1923. On Mammals collected by Captain Shortridge during the Percy Sladen and Kaffrarian Museum Expedition to the Orange River. Proceedings of the Zoological Society of London 93(3): 483–499. DOI: 10.1111/j.1096-3642.1923.tb02194.x BHL Reference page. 

• Thomas, O. 1924. A new pouched mouse (Phascogale) from northern New South Wales. Annals and Magazine of Natural History ser. 9, 14(83): 528–529. DOI: 10.1080/00222932408633152 Reference page. 

• Thomas, O. 1925. The generic position of Gerbillus przewalskii, Büchner. Annals and Magazine of Natural History, ser. 9, 16(95): 548. DOI: 10.1080/00222932508633346 Reference page. 
• Thomas, O. 1925. The Spedan Lewis South American Exploration.—I. On mammals from southern Bolivia. The Annals and Magazine of Natural History series 9 15: 575-582. DOI: 10.1080/00222932508633250 Reference page. 
• Thomas, O. 1925. A new genus of African Muridæ allied to Leggada. The Annals and Magazine of Natural History series 9 15(90): 667–669. DOI: 10.1080/00222932508633262 Reference page. 
• Thomas, O. 1925. The Mammals obtained by Mr. Herbert Stevens on the Sladen‐Godman Expedition to Tonkin. Proceedings of the Zoological Society of London 95(2). 495–506. DOI: 10.1111/j.1096-3642.1925.tb01524.x Reference page. 

• Thomas, O. 1926. On Mammals from Ovamboland and the Cunene River, obtained during Capt. Shortridge's third Percy Sladen and Kaffrarian Museum Expedition into South-Wes Africa. Proceedings of the Zoological Society of London 96(1): 285–312. DOI: 10.1111/j.1096-3642.1926.tb01549.x Reference page. 
• Thomas, O. 1926. The generic position of certain African Muridae, hitherto referred to Aethomys and Praomys. Annals and Magazine of Natural History. Series 9 17(99): 174–179. DOI: 10.1080/00222932608633387 Reference page. 
• Thomas, O. & St. Leger, J. 1926. The Godman-Thomas Expedition to Peru.— IV. On mammals collected by Mr. R. W. Hendee north of Chachapoyas, Province of Amazonas, north Peru. Annals and Magazine of Natural History, series 9, 18(106): 345–349. DOI: 10.1080/00222932608633524 Reference page. 
• Thomas, O. & St. Leger, J. 1926. The Spedan Lewis South American Exploration.— V. Mammals obtained by Señor E. Budin in Neuquen. Annals and Magazine of Natural History, series 9, 18(108): 635–641. DOI: 10.1080/00222932608633560 Reference page. 
• Thomas, O. 1926. Two new rock-wallabies (Petrogale) discovered by Capt. G. W. Wilkins in northern Australia. Annals and Magazine of Natural History series 9, 17(97): 184–187. DOI: 10.1080/00222932608633389 Reference page. 
• Thomas, O. 1926. On various mammals obtained during Capt. Wilkins's expedition in Australia. Annals and Magazine of Natural History series 9, 17(102): 625–635. DOI: 10.1080/00222932608633458 Reference page. 
• Thomas, O. 1926. The Spedan Lewis South American Exploration.—III. On mammals collected by Sr. Budin in the Province of Tucuman. Annals and Magazine of Natural History series 9, 17(101): 602–609. DOI: 10.1080/00222932608633449 Reference page. 
• Thomas, O. 1926. Some new African Mammalia. Annals and Magazine of Natural History. Series 9 17(97): 180–184. DOI: 10.1080/00222932608633388 Reference page. 

• Thomas, O. 1927. The Delacour Exploration of French Indo-China.—Mammals. Proceedings of the Zoological Society of London 1927: 41–58. DOI: 10.1111/j.1096-3642.1927.tb02245.x Reference page. 

• Thomas, O. 1928. The Delacour exploration of French Indo-China.— Mammals. III. Mammals collected during the winter of 1927–28. Proceedings of the Zoological Society of London 98(4): 831–841. DOI: 10.1111/j.1469-7998.1928.tb07170.x Reference page. 
• Thomas, O. 1928. A new genus and species of glossophagine bat, with a subdivision of the genus Choeronycteris. Annals and Magazine of Natural History series 10, 1(1): p. 122. Reference page. 

• Thomas, O. 1929. On mammals from the Kaoko-Veld, South West Africa, obtained during Captain Shortridge’s fifth Percy Sladen and Kaffrarian Museum Expedition. Proceedings of the Zoological Society of London 99(1): 99–111. DOI: 10.1111/j.1469-7998.1929.tb07691.x Reference page.