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)

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

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

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)

A textbook of elementary biology - Harvey-Gibson, R. J. (Robert John), 1860 -1929 (Longmans, Green, and Co, 1889)

Textbook of general zoology - Guthrie, Mary Jane, 1895 - (J. Wiley & sons, inc, 1927)

A textbook of physiology - Foster, M. Sir, (Michael), 1836 -1907 (The Macmillan company, 1896)

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)

Thomas H. Huxley - Ainsworth-Davis, J. R. (James Richard), 1861 -1934 (Dent, 1907)

Thomas H. Huxley - Ainsworth-Davis, J. R. (James Richard), 1861 -1934 (E.P. Dutton & Co, 1907)

Thomas Henry Huxley - Clodd, Edward, 1840 -1930 (W. Blackwood, 1902)

Thomas Henry Huxley; a sketch of his life and work - Mitchell, P. Chalmers Sir, (Peter Chalmers), 1864 -1945 (Putnam, 1900)

Thomas Henry Huxley - Clodd, Edward, 1840 -1930 (Dodd, Mead and Co, 1902)

Thomas Henry Huxley : a sketch of his life and work - Mitchell, P. Chalmers Sir, (Peter Chalmers), 1864 -1945 (Putnam, 1900)

Tierkunde - Wagner, Franz von, 1861 - (G. J. Goschen, 1897)

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

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1906)

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1913)

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

Tijdschrift der Nederlandsche Dierkundige Vereeniging - Nederlandsche dierkundige vereeniging. (Brill, 1885)

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

Tijdschrift der Nederlandsche Dierkundige Vereeniging - Nederlandsche dierkundige vereeniging. (Brill, 1898)

Tijdschrift der Nederlandsche Dierkundige Vereeniging - Nederlandsche dierkundige vereeniging. (Brill, 1920)

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