Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1913)

Zoologisches Centralblatt (W. Engelmann, 1894)

Zoologisches Centralblatt (W. Engelmann, 1895)

Zoologisches Centralblatt (W. Engelmann, 1896)

Zoologisches Centralblatt (W. Engelmann, 1897)

Zoologisches Centralblatt (W. Engelmann, 1898)

Zoologisches Centralblatt (W. Engelmann, 1899)

Zoologisches Centralblatt (W. Engelmann, 1900)

Zoologisches Centralblatt (W. Engelmann, 1901)

Zoologisches Centralblatt (W. Engelmann, 1902)

Zoologisches wörterbuch: ecklärung der zoologischen fachausdrücke. Zum gebrauch beim studium zoologischer, entwicklungsgeschichtlicher und naturphilosophischer werke verfasst von E. Bresslau, J. Eichler, E. Fraas, K. Lampert, Heinrich Schmidt, und H. E. Ziegler - Ziegler, H. E. (Heinrich Ernst), 1858 -1925 (G. Fischer, 1909)

Zoologisches Zentralblatt (W. Engelmann, 1903)

Zoologisches Zentralblatt (W. Engelmann, 1904)

Zoologisches Zentralblatt (W. Engelmann, 1905)

Zoologisches Zentralblatt (W. Engelmann, 1906)

Zoologisches Zentralblatt (W. Engelmann, 1907)

Zoologisches Zentralblatt (W. Engelmann, 1908)

Zoologisches Zentralblatt (W. Engelmann, 1909)

Zoologisches Zentralblatt (W. Engelmann, 1910)

Zoologisches Zentralblatt (W. Engelmann, 1911)

The Zoologist : a monthly journal of natural history (1897)

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

Zoology - Lovell, Harvey B. (Harvey Bulfinch) 1904 - (Van Nostrand, 1955)

Zoology - Packard, A. S. (Alpheus Spring), 1839 -1905 (Henry Holt and Company, 1879)

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

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, 1886)

Zoology for high schools and colleges - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt and Company, 1889)

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

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 of the invertebrate animals - Macalister, Alexander, 1844 -1919 (Longmans, Green, 1896)

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)

Zoosystema - Muséum national d'histoire naturelle (France) (Ed. scientifiques du Muséum, 1999)

Zoosystematics and evolution (Pensoft, 2018)

Zoosystematics and evolution (Pensoft, 2019)

Zoosystematics and evolution (Pensoft, 2024)

Известия на Царските природонаучни институти в София = Izvestiia na Tsarskitia prirodonauchni instituti v Sofiia - Tsarskitie prirodonauchni instituti (Sofiia, Bulgaria) (Pechatnitsa P. Glushkov, 1936)