Thesaurus ornithologiae : Repertorium der gesammten ornithologischen Literatur und Nomenclator sämmtlicher Gattungen und Arten der Vögel, nebst Synonymen und geographischer Verbreitung - Giebel, C. (Christoph), 1820 -1881 (Brockhaus, 1875)

Thesaurus ornithologiae : Repertorium der gesammten ornithologischen Literatur und Nomenclator sämmtlicher Gattungen und Arten der Vögel, nebst Synonymen und geographischer Verbreitung - Giebel, C. (Christoph), 1820 -1881 (Brockhaus, 1877)

Das Thierreich geordnet nach seiner Organisation : als Grundlage der Naturgeschichte der Thiere und als Einleitung in die vergleichende Anatomie - Cuvier, Georges, baron, 1769 -1832 (Druck und Verlage von G. Reimer, 1846)

Das Thierreich nach den Verwandtschaften und Uebergängen in den Klassen und Ordnungen desselben - Gravenhorst, J. L. C. (Johann Ludwig Christian), 1777 -1857 (Druck und Verlag von Grass, Barth und Comp, 1845)

Third quarterly data report for the terrestrial baseline data accumulation program : Rio Blanco Oil Shale Project - Ecology Consultants, inc. (Ecology Consultants, Incorporated, 1975)

Threatened, endangered, and sensitive species of the Intermountain Region - United States. Forest Service. Intermountain Region. (U.S. Dept. of Agriculture, Forest Service, Intermountain Region, 1991)

Threatened wildlife of the United States - United States. Committee on Rare; Endangered Wildlife Species. (Bureau of Sport Fisheries and Wildlife [for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1973)

Tierleben : allgemeine Kunde des Tierreichs - Brehm, Alfred Edmund, 1829 -1884 (Bibliographisches Institut, 1911)

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1898)

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1899)

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1911)

Das Tierreich - Heck, Ludwig, 1860 -1951 (W. Pauli, 1894)

Tijdschrift der Nederlandsche Dierkundige Vereeniging - Nederlandsche dierkundige vereeniging. (Brill, 1878)

Tijdschrift der Nederlandsche Dierkundige Vereeniging - Nederlandsche dierkundige vereeniging. (Brill, 1889)

Tijdschrift der Nederlandsche Dierkundige Vereeniging - Nederlandsche dierkundige vereeniging. (Brill, 1905)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1883)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1966)

Timber management : a programmatic environmental analysis record for BLM-administered lands in western Oregon - United States. Bureau of Land Management. (Portland, Or, 1974)

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

Trail & landscape - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 2001)

Traité général d'oologie ornithologique au point de vue de la classification - Des Murs, Marc Athanase Parfait Œillet, 1804 -1889 (F. Klincksieck, 1860)

Transaction / Historical and Scientific Society of Manitoba - Historical; Scientific Society of Manitoba. (Historical and Scientific Society of Manitoba, 1886)

Transactions and proceedings of the Royal Society of South Australia (Incorporated) - Royal Society of South Australia (W.C. Rigby, 1915)

Transactions and proceedings of the Royal Society of South Australia (Incorporated) - Royal Society of South Australia (W.C. Rigby, 1917)

Transactions of the Academy of Science of St. Louis - Academy of Science of St. Louis. (Academy of Science of St. Louis], 1907)

Transactions of the Academy of Science of St. Louis - Academy of Science of St. Louis. (Academy of Science of St. Louis], 1912)

Transactions of the Academy of Science of St. Louis - Academy of Science of St. Louis. (Academy of Science of St. Louis], 1919)

Transactions of the Canadian Institute - Canadian Institute (1849-1914) (Canadian Institute, 1891)

Transactions of the Canadian Institute - Canadian Institute (1849-1914) (Canadian Institute, 1914)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1946)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1953)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1966)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1993)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 2011)

Transactions of the Kansas Academy of Science - Kansas Academy of Science. (Geo. W. Martin, 1872)

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 Natural History Society of Northumberland, Durham, and Newcastle upon Tyne - Natural History Society of Northumberland, Durham,; Newcastle-upon-Tyne. (Emerson Charnley, and Longman, 1831)

Transactions of the Natural History Society of Northumberland, Durham, and Newcastle-upon-Tyne - Tyneside Naturalists' Field Club. (F. & W. Dodsworth [et al.], 1878)

Transactions of the Norfolk and Norwich Naturalists' Society - Norfolk; Norwich Naturalists' Society. (Norfolk and Norwich Naturalists' Society, 1975)

Transactions of the Ottawa Field-Naturalists' Club and the Ottawa naturalist index - Gillett, John M. (John Montague), 1918 -2014 (Ottawa Field-Naturalists' Club, 1980)

Transactions of the Royal Society of South Australia, Incorporated - Royal Society of South Australia (The Society, 2000)

Transactions of the San Diego Society of Natural History - San Diego Society of Natural History. (The Society, 1984)

Transactions of the San Diego Society of Natural History - San Diego Society of Natural History. (The Society, 1985)

Transactions of the Wisconsin Academy of Sciences, Arts, and Letters - Wisconsin Academy of Sciences, Arts; Letters. (Wisconsin Academy of Sciences, Arts, and Letters, 1929)

Transactions of the Wisconsin Academy of Sciences, Arts, and Letters - Wisconsin Academy of Sciences, Arts; Letters. (Wisconsin Academy of Sciences, Arts, and Letters, 1937)

Transactions of the Wisconsin Academy of Sciences, Arts, and Letters - Wisconsin Academy of Sciences, Arts; Letters. (Wisconsin Academy of Sciences, Arts, and Letters, 1946)

Transactions of the Wisconsin Academy of Sciences, Arts, and Letters - Wisconsin Academy of Sciences, Arts; Letters. (Wisconsin Academy of Sciences, Arts, and Letters, 1943)

The transactions of the Yorkshire Naturalists' Union - Yorkshire Naturalists' Union (1878)

Transactions of the Zoological Society of London - Zoological Society of London. (Published for the Zoological Society of London by Academic Press, 1862)

Transactions of the Zoological Society of London - Zoological Society of London. (Published for the Zoological Society of London by Academic Press, 1881)

Transactions of the Zoological Society of London : an index to the artists, 1835-1936 - Zoological Society of London. (Garland Pub, 1986)

Treaties and other international agreements on fisheries, oceanographic resources, and wildlife to which the United States is party - Library of Congress. Congressional Research Service. (U.S. G.P.O, 1974)

A treatise on the geography and classification of animals - Swainson, William, 1789 -1855 (Printed for Longman, Rees, Orme, Brown, Green & Longman [etc.], 1835)

Tromsø museums aarshefter - Tromsø museum. (C. Hansen, 1883)

Tromsø museums aarshefter - Tromsø museum. (C. Hansen, 1894)

Tuscarora sagebrush habitat restoration initiative : environmental assessment - United States. Bureau of Land Management. Elko District, (U.S. Department of the Interior, Bureau of Land Management, Elko District, 2009)

Type specimens of birds in the American Museum of Natural History. Tyrannidae, Pipridae, Cotingidae, Oxyruncidae, Phytotomidae, Pittidae, Philepittidae, Acanthisittidae, Menuridae, Atrichornithidae. Part 4, Passeriformes - American Museum of Natural History (American Museum of Natural History, 1987)

United States Exploring Expedition. During the year 1838, 1839, 1840, 1841, 1842 - United States. Congress. (Printed by C. Sherman, 1858)

The University of Colorado studies. General series A - University of Colorado, Boulder. (University of Colorado, 1912)

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, 1964)

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

Untersuchungen über den Bau des Knöchernen Vogelkopfes - Magnus, Hugo. (Wilhelm Engelmann, 1870)

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