The zoology of Captain Beechey's voyage - Beechey, F. W. (Frederick William), 1796 -1856 (H.G. Bohn, 1839)

Zoology of Colorado - Cockerell, Theodore D. A. (Theodore Dru Alison), 1866 -1948 (University of Colorado, 1927)

Zoology of Egypt / by John Anderson - Boulenger, George Albert 1858 -1937 (B. Quaritch, 1902)

Zoology of New York; or, The New York Fauna; comprising detailed descriptions of all the animals hitherto observed within the state of New York, with brief notices of those occasionally found near its borders, and accompanied by appropriate illustrations - De Kay, James E. (James Ellsworth), 1792 -1851 (W. & A. White & J. Visscher, 1842)

The Zoology of the voyage of H.M.S. Samarang, under the command of Captain Sir Edward Belcher, C.B., F.R.A.S., F.G.S., during the years 1843-1846 - Linnean Society of London. (Reeve and Benham, 1850)

The zoology of the voyage of H.M.S. Sulphur : under the command of Captain Sir Edward Belcher, during the years 1836-42 - Hinds, Richard Brinsley, 1812 -1847 (Smith, Elder, 1844)

Zoology; a text-book for secondary schools, normal schools and colleges - Galloway, Thomas Walton, 1866 -1929 (P. Blakiston, 1909)

Zöology; a textbook for colleges and universities - Cockerell, Theodore D. A. (Theodore Dru Alison), 1866 -1948 (World book company, 1920)

Zoology : a textbook for universities, colleges and normal schools / Thomas Walton Galloway - Galloway, Thomas Walton, 1866 -1929 (Blakiston, 1915)

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)

Zoophylacium Gronovianum, exhibens animalia quadrupeda, amphibia, pisces, insecta, vermes, molusca, testacea et zoophyta, quae in museo suo adservavit, examini subjecit, systematice disposuit atque descripsit - Boddaert, Pieter, 1730 -1795 (Apud Theodorum Haak et Socium et Samuelem et Johannem Luchtmans, 1763)

Zur entwickelungsgeschichte des nagetiergebisses - Adloff, Paul. (Gustav Fischer, 1898)