Das Thierreich eingetheilt nach dem Bau der Thiere als Grundlage ihrer Naturgeschichte und der vergleichenden Anatomie - Cuvier, Georges, baron, 1769 -1832 (J.S. Cotta, 1823)

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

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1896)

Timehri - Royal Agricultural; Commercial Society of British Guiana. ("Argosy", 1889)

Toilers in the sea - Cooke, M. C. (Mordecai Cubitt), 1825 -1914 (Society for Promoting Christian Knowledge, 1889)

Trabajos del Museo de Ciencias Naturales Serie zoológica - Museo Nacional de Ciencias Naturales (Spain) (El Museo, 1912)

Trabajos del Museo Nacional de Ciencias Naturales Serie botánica - Museo Nacional de Ciencias Naturales (Spain) (1912)

Trait©♭ de zoologie - Perrier, Edmond, 1844 -1921 (Masson, 1899)

Traité de botanique - Van Tieghem, Phillippe Édouard Léon, 1839 -1914 (s.n, 1892)

Traité de zoologie concrète - Delage, Yves, 1854 -1920 (Schleicher, 1897)

Traité de zoologie concrète - Delage, Yves, 1854 -1920 (Schleicher, 1903)

Traité de zoologie - Perrier, Edmond, 1844 -1921 (Masson, 1893)

Transactions and proceedings and report of the Royal Society of South Australia - Royal Society of South Australia (The Society, 1880)

Transactions and proceedings of the Royal Society of South Australia (Incorporated) - Royal Society of South Australia (W.C. Rigby, 1936)

Transactions and Proceedings of the Royal Society of Victoria - Royal Society of Victoria (Melbourne, Vic.) (The Society, 1868)

Transactions and Proceedings of the Royal Society of Victoria - Royal Society of Victoria (Melbourne, Vic.) (The Society, 1885)

Transactions and Proceedings of the Royal Society of Victoria - Royal Society of Victoria (Melbourne, Vic.) (The Society, 1887)

Transactions of the Entomological Society of London - Royal Entomological Society of London (The Society, 1840)

Transactions of the Linnean Society of London Zoology - Linnean Society of London. ([The Society], 1912)

Transactions of the Linnean Society of London - Linnean Society of London. ([The Society], 1791-1875, 1841)

Transactions of the Linnean Society of London - Linnean Society of London. ([The Society], 1791-1875, 1838)

Transactions of the Massachusetts Horticultural Society - Massachusetts Horticultural Society (s.n.], 1888)

The Transactions of the Microscopical Society of London - Microscopical Society of London. (John Van Voorst, 1853)

The Transactions of the Microscopical Society of London - Microscopical Society of London. (John Van Voorst, 1857)

The Transactions of the Microscopical Society of London - Microscopical Society of London. (John Van Voorst, 1858)

Transactions of the Norfolk and Norwich Naturalists' Society - Norfolk; Norwich Naturalists' Society. (Norfolk and Norwich Naturalists' Society, 1914)

Transactions of the Philosophical Institute of Victoria - Philosophical Institute of Victoria. (1860)

Transactions of the Royal Society of South Australia, Incorporated - Royal Society of South Australia (The Society, 1941)

Transactions of the Royal Society of South Australia, Incorporated - Royal Society of South Australia (The Society, 2001)

Transactions of the Royal Society of Victoria - Royal Society of Victoria (Melbourne, Vic.) (The Society, 1895)

Transactions of the Tyneside Naturalists' Field Club - Tyneside Naturalists' Field Club. (F. & W. Dodsworth, 1854)

Transactions of the Wisconsin Academy of Sciences, Arts, and Letters - Wisconsin Academy of Sciences, Arts; Letters. (Wisconsin Academy of Sciences, Arts, and Letters, 1932)

Transactions of the Zoological Society of London - Zoological Society of London. (Published for the Zoological Society of London by Academic Press, 1893)

Transactions of the Zoological Society of London - Zoological Society of London. (Published for the Zoological Society of London by Academic Press, 1895)

Trudy Geologicheskago komiteta = Mémoires du Comité géologique - Russia. Geologicheskii komitet. (Komitet, 1896)

Trudy Imperatorskago S.-Peterburgskago botanicheskago sada.Acta Horti Petropolitani - Imperatorskii Sankt-Peterburgskii botanicheskii sad. (Imperatorskiǐ S.-Peterburgskiǐ botanicheskiǐ sad, 1873)

Trudy Imperatorskago S.-Peterburgskago botanicheskago sada.Acta Horti Petropolitani - Imperatorskii Sankt-Peterburgskii botanicheskii sad. (Imperatorskiǐ S.-Peterburgskiǐ botanicheskiǐ sad, 1903)

Uebersicht des Gewaechs-Reichs in seinen natuerlichen Entwickelungsstufen : ein Versuch - Reichenbach, H. G. Ludwig (Heinrich Gottlieb Ludwig), 1793 -1879 (Carl Cnobloch, 1828)

The under-water world - Boulenger, E. G. (Edward George), 1888 -1946 (Hodder and Stoughton, 1900)

University of California publications Zoology - University of California, Berkeley. (The University Press, 1905)

University of California publications in zoology - University of California, Berkeley. (University Press, 1907)

Unterhaltungen aus der Naturgeschichte [11-12] der Würmer, erster [-zweyter] Theil - Wilhelm, Gottlieb Tobias, 1758 -1811 (in der Mart. Engelbrechtischen Kunsthandlung, 1802)

Unterhaltungen aus der Naturgeschichte [15] Der Würmer zweyter Theil - Wilhelm, Gottlieb Tobias, 1758 -1811 (Schlosser, 1834)

The urticating hairs of theraphosid spiders - Roth, Vincent D. (American Museum of Natural History, 1972)

Vascular plants of continental Northwest Territories, Canada - Porsild, A. E. 1901 - (National Museum of Natural Sciences, National Museums of Canada, 1980)

The vegetable kingdom; or, The structure, classification, and uses of plants, illustrated upon the natural system - Lindley, John, 1799 -1865 (Bradbury & Evans, 1853)

The vegetable kingdom, or, The structure, classification, and uses of plants illustrated upon the natural system - Lindley, John, 1799 -1865 (Bradbury & Evans, 1847)

The vegetable kingdom : or, The structure, classification, and uses of plants, illustrated upon the natural system - Lindley, John, 1799 -1865 (Bradbury and Evans, 1846)

The vegetable kingdom; or, The structure, classification, and uses of plants - Lindley, John, 1799 -1865 (Bradbury & Evans, 1853)

Verhandlungen - Naturhistorischer Verein der Preussischen Rheinlande und Westfalens. (1844)

Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien - Zoologisch-Botanische Gesellschaft in Wien. (Kaiserlich-Königliche Zoologisch-Botanische Gesellschaft in Wien, 1858)

Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien - Zoologisch-Botanische Gesellschaft in Wien. (Kaiserlich-Königliche Zoologisch-Botanische Gesellschaft in Wien, 1867)

Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien - Zoologisch-Botanische Gesellschaft in Wien. (Kaiserlich-Königliche Zoologisch-Botanische Gesellschaft in Wien, 1871)