Text book of veterinary medicine - Law, James, 1838 -1921 (J. Law, 1903)

A text-book of zoogeography - Beddard, Frank E. (Frank Evers), 1858 -1925 (University press, 1895)

Text book of zoology - Boas, J. E. V. (Johan Erik Vesti), 1855 -1935 (Sampson Low, Marston, 1896)

Text-book of zoology - Schmeil, O. (Otto), 1860 -1943 (A. and C. Black, 1901)

A textbook of invertebrate morphology - McMurrich, J. Playfair (James Playfair), 1859 -1939 (H. Holt, 1894)

A textbook of medical entomology - Cragg, Francis William, 1882 -1924 (Christian Literature Society for India, 1913)

Teysmannia (G. Kolff, 1914)

Thesaurus litteraturae mycologicae et lichenologicae ratione habita praecipue omnium quae adhuc scripta sunt de mycologia applicata - Lindau, Gustav, 1866 -1923 (Fratres Borntraeger, 1908)

Das Thierreich, geordnet nach seiner Organisation : als Grundlage der Naturgeschichte der Thiere und Einleitung in die vergleichende Anatomie - Cuvier, Georges, baron, 1769 -1832 (F.A. Brockhaus, 1831)

Through Shên-kan : the account of the Clark expedition in north China, 1908-9 - Sowerby, Arthur de Carle, 1885 -1954 (T. F. Unwin, 1912)

Ticks, a monograph of the Ixodoidea - Nuttall, George Henry Falkiner, 1862 -1937 (University press, 1908)

Tierbau und tierleben in ihrem zusammenhang betrachtet - Doflein, Franz, 1873 -1924 (B. G. Teubner, 1914)

Tierische Schädlinge und Nützlinge für Ackerbau, Viehzucht, Wald-und Gartenbau; Lebensformen, Vorkommen, Einfluss und die Massregeln zu Vertilgung und Schutz - Bos, J. Ritzema (Jan Ritzema ), 1850 -1928 (P. Parey, 1891)

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

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

Tijdschrift der Nederlandsche Dierkundige Vereeniging - Nederlandsche dierkundige vereeniging. (Brill, 1893)

Tijdschrift der Nederlandsche Dierkundige Vereeniging - Nederlandsche dierkundige vereeniging. (Brill, 1896)

Tijdschrift der Nederlandsche Dierkundige Vereeniging - Nederlandsche dierkundige vereeniging. (Brill, 1909)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1895)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1903)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1915)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1936)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1943)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1946)

Tijdschrift voor entomologie - Nederlandse Entomologische Vereniging (Nederlandse Entomologische Vereniging, 1992)

Torreya - Torrey Botanical Club. (Torrey Botanical Club, 1917)

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 médicale et agricole / par A. Railliet - Railliet, A. (Alcide Louis Joseph), 1852 -1930 (Asselin et Houzeau, 1895)

Traité de zoologie - Claus, Carl, 1835 -1899 (F. Savy, 1884)

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

Traité de l'ostéologie et de la myologie du Vespertilio murinus, précédé d'un exposé de la classification des chéiroptèi et de considérations sur les moeurs de ces animaux - Maisonneuve, Paul, 1849 -1927 (O. Doin, 1878)

Transactions - American Microscopical Society (1900)

Transactions - American Microscopical Society (1879)

Transactions and proceedings of the New Zealand Institute - New Zealand Institute. (New Zealand Institute, 1886)

Transactions of the Academy of Science of St. Louis - Academy of Science of St. Louis. (Academy of Science of St. Louis], 1898)

Transactions of the American Entomological Society - American Entomological Society. (The Society at the Academy of Natural Sciences, 1922)

Transactions of the British Mycological Society - British Mycological Society. (Cambridge University Press, 1917)

Transactions of the British Mycological Society - British Mycological Society. (Cambridge University Press, 1922)

Transactions of the British Mycological Society - British Mycological Society. (Cambridge University Press, 1902)

Transactions of the Connecticut Academy of Arts and Sciences - Connecticut Academy of Arts; Sciences. (Published by the Academy, 1884)

Transactions of the Connecticut Academy of Arts and Sciences - Connecticut Academy of Arts; Sciences. (Published by the Academy, 1882)

Transactions of the Entomological Society of London - Royal Entomological Society of London (The Society, 1877)

Transactions of the Entomological Society of London - Royal Entomological Society of London (The Society, 1904)

Transactions of the Entomological Society of London - Royal Entomological Society of London (The Society, 1908)

Transactions of the Entomological Society of London - Royal Entomological Society of London (The Society, 1918)

Transactions of the Natural History Society of Northumberland, Durham, and Newcastle-upon-Tyne - Tyneside Naturalists' Field Club. (F. & W. Dodsworth [et al.], 1906)

Transactions of the Royal Scottish Arboricultural Society - Royal Scottish Arboricultural Society. (Douglas & Foulis, 1919)

Transactions of the Royal Society of South Australia, Incorporated - Royal Society of South Australia (The Society, 1985)

Transactions of the Royal Society of Victoria - Royal Society of Victoria (Melbourne, Vic.) (The Society, 1891)

Transactions of the Scottish Arboricultural Society - Scottish Arboricultural Society. (The Society, 1873)

Transactions of the Society for British entomology - Society for British Entomology (1942)

Transactions of the Wisconsin Academy of Sciences, Arts, and Letters - Wisconsin Academy of Sciences, Arts; Letters. (Wisconsin Academy of Sciences, Arts, and Letters, 1921)

Transactions of the Wisconsin Academy of Sciences, Arts, and Letters - Wisconsin Academy of Sciences, Arts; Letters. (Wisconsin Academy of Sciences, Arts, and Letters, 1950)

The transactions of the Yorkshire Naturalists' Union - Yorkshire Naturalists' Union (1902)

Die Transpiration der Pflanzen. Eine physiologische Monographie - Burgerstein, Alfred, 1850 -1929 (G. Fischer, 1904)

Travaux d'entomologie 1852-1865 - Laboulbène, Alexandre, 1825 -1898 (1866)

The tribes on my frontier; an Indian naturalist's foreign policy - Aitken, Edward Hamilton, 1851 -1909 (Thacker, 1904)

The tribes on my frontier; an Indian naturalist's foreign policy - Aitken, Edward Hamilton, 1851 -1909 (W. Thacker and Co, 1920)

The type-species of the North American genera of Diptera - Coquillett, D. W. (Daniel William), 1856 -1911 (Govt. Print. Off, 1910)

Typical flies; a photographic atlas of Diptera, including Aphaniptera - Pearce, Ethel Katharine, 1856 - (University press, 1915)

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

Undersökningar öfver de tropiska växternas bladbyggnad i jämförelse med de arktiska och boreala växterna - Areschoug, F. W. C. (Fredrik Wilhelm Christian), 1830 -1908 (Almqvist & Wiksells boktr, 1905)

University studies of the University of Nebraska - University of Nebraska (Lincoln campus) (1907)

University studies of the University of Nebraska - University of Nebraska (Lincoln campus) (1914)

A university text-book of botany (Macmillan, 1910)

Untersuchungen aus dem Botanischen Institut zu Tübingen - Pfeffer, W. (Wilhelm), 1845 -1920 (W. Engelmann, 1881)

Untersuchungen aus dem Gesammtgebiete der Mykologie - Brefeld, Oscar, 1839 -1925 (1872)

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

Untersuchungen über die anatomische Structur der Gramineenblätter in ihrem Verhältniss zu Standort und Klima, mit Versuche einer auf dieselbe begründeten Gruppirung der Gramineen - Güntz, Max, 1861 - (Rossberg, 1886)

Untersuchungen zur experimentellen anatomie und pathologie des pflanzenkörpers - Vöchting, Hermann, 1847 -1917 (H. Laupp, 1908)

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 - Lindley, John, 1799 -1865 (Bradbury & Evans, 1853)

Vergleichende Anatomie der Vegetationsorgane der Phanerogamen und Farne - Bary, A. de (Anton), 1831 -1888 (Wilhelm Engelmann, 1877)

Die vergleichende Pathologie der Haut - Heller, Julius, 1864 - (Hirschwald, 1910)

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, 1860)