A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan, 1921)

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

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

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan and Co., Limited, 1910)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillian and co., limited, 1910)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan and co., limited, 1897)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillan, 1910)

A text-book of zoology - Parker, T. Jeffery (Thomas Jeffery), 1850 -1897 (Macmillian and co., limited, 1921)

Text-book of zoology for junior students - Nicholson, Henry Alleyne, 1844 -1899 (1888)

Text-book of zoology for junior students - Nicholson, Henry Alleyne, 1844 -1899 (American Book Co, 1885)

A text-book of zoology for schools - Gosse, Philip Henry, 1810 -1888 (Society for Promoting Christian Knowledge, 1851)

Text-book of zoology for schools and colleges - Nicholson, Henry Alleyne, 1844 -1899 (D. Appleton and Co, 1884)

A textbook in general zoology - Herrick, Glenn W. (Glenn Washington), 1870 -1965 (American Book Company, 1912)

A textbook in general zoology - Linville, Henry R. (Henry Richardson), 1866 -1941 (Ginn and Company, 1929)

Textbook of evolution and genetics - Lindsey, Arthur Ward, 1894 - (The Macmillan Company, 1929)

Textbook of zoology - Potter, George Edwin, 1898 - (Mosby, 1947)

Textbook of zoology - Davies, A. Morley (Arthur Morley), 1869 -1959 (Clive, 1916)

Theoretical genetics - Goldschmidt, Richard, 1878 -1958 (University of California Press, 1955)

Das Thierreich eingetheilt nach dem Bau der Thiere als Grundlage ihrer Naturgeschichte und der vergleichenden Anatomie - Cuvier, Georges, baron, 1769 -1832 (J.S. Cotta, 1821)

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)

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 in seinen Hauptformen systematisch beschrieben - Kaup, J. J. (Johann Jacob), 1803 -1873 (Diehl, 1835)

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)

Ticks, a monograph of the Ixodoidea - Warburton, Cecil, 1854 - (University Press, 1926)

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)

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, 1898)

Tijdschrift der Nederlandsche Dierkundige Vereeniging - Nederlandsche dierkundige vereeniging. (Brill, 1904)

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

Tijdschrift der Nederlandsche Dierkundige Vereeniging - Nederlandsche dierkundige vereeniging. (Brill, 1917)

Tijdschrift voor natuurlijke geschiedenis en physiologie (1836)

Timehri - Royal Agricultural; Commercial Society of British Guiana. ("Argosy", 1887)

The titanotheres of ancient Wyoming, Dakota, and Nebraska - Osborn, Henry Fairfield, 1857 -1935 (Dept. of the Interior, U.S. Geological Survey, 1929)

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

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

Traité de zoologie - Perrier, Edmond, 1844 -1921 (Masson, 1897)

Traité de zoologie - Perrier, Edmond, 1844 -1921 (Masson, 1932)

Transactions - American Microscopical Society (1896)

Transactions and proceedings and report of the Royal Society of South Australia - Royal Society of South Australia (The Society, 1887)

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, 1881)

Transactions and proceedings of the Royal Society of South Australia (Incorporated) - Royal Society of South Australia (W.C. Rigby, 1925)

Transactions and proceedings of the Royal Society of South Australia (Incorporated) - Royal Society of South Australia (W.C. Rigby, 1927)

Transactions and proceedings of the Royal Society of South Australia (Incorporated) - Royal Society of South Australia (W.C. Rigby, 1929)

Transactions and proceedings of the Royal Society of South Australia (Incorporated) - Royal Society of South Australia (W.C. Rigby, 1930)

Transactions and proceedings of the Royal Society of South Australia (Incorporated) - Royal Society of South Australia (W.C. Rigby, 1934)

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

Transactions of the Academy of Science of St. Louis - Academy of Science of St. Louis. (Academy of Science of St. Louis], 1913)

Transactions of the American Philosophical Society - American Philosophical Society. (1890)

Transactions of the American Philosophical Society - American Philosophical Society. (1899)

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

Transactions of the Clifton College Scientific Society - Clifton College Scientific Society. (1871)

Transactions of the Entomological Society of London - Royal Entomological Society of London (The Society, 1894)

Transactions of the Hertfordshire Natural History Society and Field Club - Hertfordshire Natural History Society; Field Club. (The Club, 1879)

Transactions of the Hertfordshire Natural History Society and Field Club - Hertfordshire Natural History Society; Field Club. (The Club, 1903)

Transactions of the Illinois State Academy of Science - Illinois State Academy of Science. (Illinois State Academy of Science [etc.], 1917)

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], 1896)

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

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 Linnean Society of London - Linnean Society of London. ([The Society], 1791-1875, 1870)

Transactions of the New York Academy of Sciences - New York Academy of Sciences. (New York Academy of Sciences, 1893)