Text-book of comparative anatomy - Lang, Arnold, 1855 -1914 (Macmillan and Co, 1896)

A text-book of invertebrate morphology - McMurrich, J. Playfair (James Playfair), 1859 -1939 (H. Holt and Company, 1894)

A text book of materia medica, being an account of the more important crude drugs of vegetable and animal origin, designed for students of pharmacy and medicine - Greenish, Henry G. 1855 -1933 (Churchill, 1920)

Text-book of paleontology - Eastman, Charles Rochester, 1868 -1918 (Macmillan and Co., limited, 1913)

Text-book of the embryology of invertebrates - Mark, E. L. (Edward Laurens), 1847 -1946 (S. Sonneschein and co., ltd, 1895)

Text-book of the embryology of invertebrates - Mark, E. L. (Edward Laurens), 1847 -1946 (S. Sonnenschein and co., ltd, 1895)

Text-book of the embryology of invertebrates - Mark, E. L. (Edward Laurens), 1847 -1946 (S. Sonneschein and co., ltd, 1900)

A text-book of vegetable and animal physiology. Designed for the use of schools, seminaries, and colleges in the United States - Goadby, Henry. (D. Appleton and Company, 1858)

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 (Macmillan, 1921)

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, 1910)

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

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

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

A textbook of invertebrate morphology - McMurrich, J. Playfair (James Playfair), 1859 -1939 (H. Holt, 1896)

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

A textbook of physiology - Hall, Winfield Scott, 1861 -1942 (Lea Bros. & Co, 1899)

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

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

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

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

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1900)

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1901)

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1902)

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1904)

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1905)

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1910)

Das Tierreich - Deutsche Zoologische Gesellschaft. (R. Friedländer, 1909)

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

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

Tijdschrift voor natuurlijke geschiedenis en physiologie (1843)

Tissue respiration in invertebrates - American Museum of Natural History (American Museum of Natural History, 1963)

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