Text-book of embryology - Kerr, John Graham, 1869 -1957 (MacMillan, 1919)

Text-book of embryology - Heape, Walter, 1855 -1929 (Macmillan, 1919)

Text-book of palaeontology - Eastman, Charles Rochester, 1868 -1918 (Macmillan, 1902)

Text-book of physiology - Sharpey-Schäfer, E. A. Sir, (Edward Albert),‏ ‎ 1850 -1935 (Pentland, 1898)

Text-book of physiology - Sharpey-Schäfer, E. A. Sir, (Edward Albert),‏ ‎ 1850 -1935 (Y. J. Pentland, 1898)

Text book of vertebrate zoology - Kingsley, J. S. (John Sterling), 1854 -1929 (H. Holt and Company, 1899)

Text book of vertebrate zoology - Kingsley, J. S. (John Sterling), 1854 -1929 (H. Holt, 1899)

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

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

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

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 (American Book Co, 1885)

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

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

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

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

Die Thierwelt Ost-Afrikas und der Nachbargebiete - Möbius, Karl August, 1825 -1908 (D. Reimer (E. Vohsen), 1896)

Through Angola, a coming colony - Statham, John Charles Baron, 1872 - (W. Blackwood & sons, 1922)

Tidsskrift for populære fremstillinger af naturvidenskaben (P.G. Philipsens forlag, 1873)

Tierbau und tierleben in ihrem zusammenhang betrachtet - Doflein, Franz, 1873 -1924 (B. G. Teubner, 1910)

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

Tiergeographie auf ökologischer Grundlage - Hesse, Richard, 1868 -1944 (Verlag von Gustav Fischer, 1924)

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, 1904)

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

Tilapiine fishes of the genera Sarotherodon, Oreochromis, and Danakilia - British Museum (Natural History) (British Museum (Natural History), 1983)

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

Traité d'embryologie et d'organogénie comparées - Balfour, Francis M. (Francis Maitland), 1851 -1882 (Baillière, 1883)

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

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

Traité de zoologie - Perrier, Edmond, 1844 -1921 (Masson, 1903)