Tijdschrift voor natuurlijke geschiedenis en physiologie (1840)

Tori - Nihon Chogakkai (The Ornithological Society of Japan, 1915)

Traité d'ornithologie, ou, Tableau méthodique des ordres, sous-ordres, familles, tribus, genres, sous-genres et races d'oiseaux : ouvrage entièrement neuf, formant le catalogue le plus complet des espèces réunies dans les collections publiques de la France / par R. P. Lesson - Lesson, R. P. (René Primevère), 1794 -1849 (Chez F.G. Levrault, 1831)

Traité élémentaire et complet d'ornithologie, ou, Histoire naturelle des oiseaux - Barraband, Jacques, 1767? -1809 (Chez l'Auteur ... Duprat, 1800)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1869)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1873)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1907)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1911)

Transactions and proceedings of the Royal Society of South Australia (Incorporated) - Royal Society of South Australia (W.C. Rigby, 1922)

Transactions of the Linnaean Society of New York - Linnaean Society of New York (The Society, 1943)

Transactions of the Linnaean Society of New York - Linnaean Society of New York (The Society, 1955)

Transactions of the Linnean Society of London. Zoology - Linnean Society of London. ([The Society], 1875)

Transactions of the Linnean Society of London. Zoology - Linnean Society of London. ([The Society], 1900)

Transactions of the Linnean Society of London. Zoology - Linnean Society of London. ([The Society], 1910)

Transactions of the Linnean Society of London - Linnean Society of London. ([The Society], 1791-1875, 1825)

Transactions of the San Diego Society of Natural History - San Diego Society of Natural History. (The Society, 1931)

Transactions of the Zoological Society of London - Zoological Society of London. (Published for the Zoological Society of London by Academic Press, 1866)

Transactions of the Zoological Society of London - Zoological Society of London. (Published for the Zoological Society of London by Academic Press, 1877)

Transactions of the Zoological Society of London - Zoological Society of London. (Published for the Zoological Society of London by Academic Press, 1879)

Transunti / Reale Accademia dei Lincei - Reale Accademia dei Lincei (l'Accademia, 1876)

Transunti / Reale Accademia dei Lincei - Reale Accademia dei Lincei (l'Accademia, 1879)

Travels of a naturalist a record of adventures, discoveries, history and customs of Americans and Indians, habits and descriptions of animals, chiefly made in North America, California, Mexico, Central America, Columbia, Chili, etc., during the last forty-two years - Boucard, Adolphe, 1839 -1905 ([Pardy & Son], 1894)

Treubia - Kebun Raya Indonesia. (G. Kolff, 1922)

Treubia - Kebun Raya Indonesia. (G. Kolff, 1923)

Tryonia - Academy of Natural Sciences of Philadelphia. Department of Malacology. (Dept. of Malacology, Academy of Natural Sciences of Philadelphia, 1990)

Type-specimens of birds in the British Museum (Natural History) - British Museum (Natural History) (BM(NH), 1966)

Type-specimens of birds in the British Museum (Natural History) - British Museum (Natural History) (BM(NH), 1973)

Ueber das Leben der hochnordischen Vögel / von Friedrich Faber - Faber, Frederik, 1796 -1828 (E. Fleischer, 1825)

University of California publications in zoology - University of California, Berkeley. (University Press, 1914)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1951)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1954)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1959)

University of Kansas publications, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1965)

The University of Kansas science bulletin - University of Kansas. Museum of Natural History. (University of Kansas, 1958)

Untersuchungen über die Fauna Peruana - Humboldt, Alexander von, 1769 -1859 (Scheitlin und Zollikofer, 1844)

Untersuchungen zur Morphologie und Systematik der Vögel, zugleich ein Beitrag zur Anatomie der Stütz- und Bewegungsorgane - Fürbringer, Maximilian, 1846 -1920 (T. van Holkema, 1888)