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)

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

The zoology of the voyage of the H.M.S. Erebus & Terror, under the command of Captain Sir James Clark Ross, during the years 1839 to 1843. By authority of the Lords Commissioners of the Admiralty - Gray, John Edward 1800 -1875 (E. W. Janson, 1844)

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

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

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

Zoosystematics and evolution (Pensoft, 2018)

Zur Biologie der Lungenschnecken. Ergebnisse vieljähriger Züchtungen und Experimente - Künkel, Karl, 18961 -1943 (Carl Winters Universitätsbuchhandlung, 1916)

Zur fauna Montenegros und Nordalbaniens. Mollusken, Käfer, Isopoden, Chilopoden, Diplopoden - Wohlberedt, Otto, 1870 -1945 (Adolf Holzhausen, 1909)

Zur Gastropodenfauna von Basel und Umgebung - Bollinger, Gottfried, 1883 -1978 (Werner-Riehm, 1909)

Zur Morphologie des Nervensystems von Anodonta cellensis Schröt - Splittstösser, Paul, 1886 - (Engelmann?], 1912)

Zur Ornithologie Brasiliens : Resultate von Johann Natterers Reisen in den Jahren 1817 bis 1835 - Natterer, Johann, 1787 -1843 (A. Pichler's Witwe & Sohn, 1871)