Zoology for high schools and colleges - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt and Company, 1880)

Zoology for medical students - Kerr, John Graham, 1869 -1957 (Macmillan and co., ltd, 1921)

Zoology : for students and general readers - Packard, A. S. (Alpheus Spring), 1839 -1905 (Henry Holt, 1879)

Zoology of the invertebrata : a text-book for students - Shipley, A. E. Sir, (Arthur Everett), 1861 -1927 (A. and C. Black, 1893)

Zoology : a systematic account of the general structure, habits, instincts, and uses of the principal families of the animal kingdom - Carpenter, William Benjamin, 1813 -1885 (Wm. S. Orr, 1848)

Zoology, a textbook for college and university students - Chidester, Floyd Earle, 1884 -1947 (D. Van Nostrand, 1932)

Zoophilacium Gronovianum : exhibens animalia quadrupeda, amphibia, pisces, insecta, vermes, mollusca, testacea, et zoophyta - Gronovius, Laurentius Theodorus, 1730 -1777 (Apud Theodorum Haak et Socium et Samuelem et Johannem Luchtmans, 1781)

Zoophilacium Gronovianum : exhibens animalia quadrupeda, amphibia, pisces, insecta, vermes, mollusca, testacea, et zoophyta - Gronovius, Laurentius Theodorus, 1730 -1777 (Apud Theodorum Haak et Socium et Samuelem et Johannem Luchtmans, 1763)

Zoosystema - Muséum national d'histoire naturelle (France) (Ed. scientifiques du Muséum, 1998)

Zoosystematics and evolution (Pensoft, 2014)