Zoologiska bidrag från Uppsala - Uppsala universitet (Almqvist & Wiksells, 1918)

The Zoologist : a monthly journal of natural history (1899)

The Zoologist : a monthly journal of natural history (1900)

The Zoologist : a monthly journal of natural history (1914)

Zoology - Elliott, Alfred M. (Alfred Marlyn), 1905 -1988 (Appleton-Century-Crofts, 1952)

Zoology; a text-book for universities, colleges and normal schools - Galloway, Thomas Walton, 1866 -1929 (P. Blakiston's son & co, 1922)

Zoology - Goodnight, Clarence J. (Clarence James), 1914 -1987 (C. V. Mosby Co, 1954)

Zoology, complete volume - Staig, Robert A. (Livingstone, 1900)

Zoölogy, descriptive and practical - Colton, Buel P. (Buel Preston), 1852 -1906 (Heath, 1906)

Zoology, descriptive and practical - Colton, Buel P. (Buel Preston), 1852 -1906 (D. C. Heath & Co, 1907)

Zoology, descriptive and practical - Colton, Buel P. (Buel Preston), 1852 -1906 (D.C. Heath & Co., Publishers, 1903)

Zoology : an elementary text-book - MacBride, E. W. (Ernest William), 1866 -1940 (Univ. Press, 1920)

Zoology for high schools and colleges - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt and Company, 1895)

Zoology for high schools and colleges - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt and company, 1893)

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

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

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

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

Zoology; the study of animal life - MacBride, E. W. (Ernest William), 1866 -1940 (T. C. & E. C. Jack, 1913)

Zoosystema - Muséum national d'histoire naturelle (France) (Ed. scientifiques du Muséum, 1997)

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

Zoosystematics and evolution (Pensoft, 2017)

Zoosystematics and evolution (Pensoft, 2018)

Zoosystematics and evolution (Pensoft, 2019)

Zoosystematics and evolution (Pensoft, 2020)

Zoosystematics and evolution (Pensoft, 2023)

Zoosystematics and evolution (Pensoft, 2024)