Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1903)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1901)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1902)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1904)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1905)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1906)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1907)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1908)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1909)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1910)

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

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1911)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1912)

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 Magazin - Müller, C. F. A. (1817)

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, 1909)

Zoologisches Zentralblatt (W. Engelmann, 1910)

Zoologisches Zentralblatt (W. Engelmann, 1911)

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

Zoology - Packard, A. S. (Alpheus Spring), 1839 -1905 (Holt, 1892)

Zoology - Packard, A. S. (Alpheus Spring), 1839 -1905 (Holt, 1897)

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

Zoology - Packard, A. S. (Alpheus Spring), 1839 -1905 (H. Holt and Co, 1894)

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

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

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, 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, 1886)

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

Zoology for students : a handbook - Royal College of Physicians of Edinburgh. (Daldy, Isbister, 1875)

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

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

Zoosystematics and evolution (Pensoft, 2015)

Zoosystematics and evolution (Pensoft, 2016)

Zoosystematics and evolution (Pensoft, 2017)

Zoosystematics and evolution (Pensoft, 2018)

Zoosystematics and evolution (Pensoft, 2019)

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)