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, 1911)

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

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

Zoologisches Centralblatt (W. Engelmann, 1894)

Zoologisches Centralblatt (W. Engelmann, 1895)

Zoologisches Centralblatt (W. Engelmann, 1899)

Zoologisches Centralblatt (W. Engelmann, 1900)

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, 1904)

Zoologisches Zentralblatt (W. Engelmann, 1907)

Zoologisches Zentralblatt (W. Engelmann, 1909)

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

The Zoologist : a monthly journal of natural history (1895)

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

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

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

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

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