Text-book of the embryology of invertebrates - Mark, E. L. (Edward Laurens), 1847 -1946 (S. Sonneschein and co., ltd, 1899)

A text-book of the principles of animal histology - Dahlgren, Ulric, 1870 - (The Macmillan Company, 1908)

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)

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 (Macmillan, 1897)

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

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 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 junior students - Nicholson, Henry Alleyne, 1844 -1899 (American Book Co, 1885)

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

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)

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

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

A textbook of oceanography - Jenkins, J. Travis (James Travis), 1876 - (Constable, 1921)

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

The Thecosomata and Gymnosomata of the Siboga-expedition - Tesch, J. J. (Johan Jacob), 1877 -1954 (E. J. Brill, 1904)

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

The theory of evolution in the light of facts - Frank, Karl, 1875 -1950 (Kegan Paul, Trench, Trübner & co., ltd, 1913)

The theory of evolution in the light of facts - Wasmann, Erich, 1859 -1931 (Kegan Paul, Trench, Trubner & co, 1913)

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)

Die Tier- und Pflanzenwelt des Süsswassers : Einführung in das Studium derselben - Zacharias, Otto, 1846 -1916 (J.J. Weber, 1891)