Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1882)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1883)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1884)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1886)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1892)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1894)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1897)

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

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, 1911)

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, 1902)

Zoologisches Zentralblatt (W. Engelmann, 1903)

Zoologisches Zentralblatt (W. Engelmann, 1908)

Zoologisches Zentralblatt (W. Engelmann, 1910)

Zoologisches Zentralblatt (W. Engelmann, 1911)

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

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

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

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

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

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

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

Zoölogy descriptive and practical - Colton, Buel P. (Buel Preston), 1852 -1906 (Copp, Clark, 1886)

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

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

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, 1895)

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, 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 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)

Zoosystematics and evolution (Pensoft, 2015)

Die zweite Deutsche Nordpolarfahrt in den Jahren 1869 und 1870, unter Führung des Kapitän Karl Koldewey - Geographische Gesellschaft in Bremen. (F.A. Brockhaus, 1874)