Der Zoologische Garten - International Union of Directors of Zoological Gardens (G. Fischer, Zoologische gesellschaft, 1873)

Der Zoologische Garten - International Union of Directors of Zoological Gardens (G. Fischer, Zoologische gesellschaft, 1881)

Der Zoologische Garten - International Union of Directors of Zoological Gardens (G. Fischer, Zoologische gesellschaft, 1920)

Zoologischer Anzeiger - Deutsche Zoologische Gesellschaft. (VEB Gustav Fischer Verlag, 1880)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1879)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1880)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1885)

The Zoologist : a monthly journal of natural history (1863)

The Zoologist : a monthly journal of natural history (1865)

The Zoologist : a monthly journal of natural history (1867)

The Zoologist : a monthly journal of natural history (1868)

The Zoologist : a monthly journal of natural history (1871)

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