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, 1908)

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

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

Zoologisches Centralblatt (W. Engelmann, 1896)

Zoologisches Centralblatt (W. Engelmann, 1901)

Zoologisches Centralblatt (W. Engelmann, 1902)

Zoologisches Zentralblatt (W. Engelmann, 1904)

Zoologisches Zentralblatt (W. Engelmann, 1906)

Zoologisches Zentralblatt (W. Engelmann, 1907)

Zoologisches Zentralblatt (W. Engelmann, 1908)

Zoologisches Zentralblatt (W. Engelmann, 1909)

Zoologisches Zentralblatt (W. Engelmann, 1911)

The Zoologist : a monthly journal of natural history (1848)

The Zoologist : a monthly journal of natural history (1875)

The Zoologist : a monthly journal of natural history (1877)

The Zoologist : a monthly journal of natural history (1884)

The Zoologist : a monthly journal of natural history (1893)

The Zoologist : a monthly journal of natural history (1903)

The Zoologist : a monthly journal of natural history (1906)

The Zoologist : a monthly journal of natural history (1908)

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

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

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

Zoology, a textbook for college and university students - Chidester, Floyd Earle, 1884 -1947 (D. Van Nostrand, 1932)

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

Zur Fortpflanzungsgeschichte der gesammten Vögel : Ausgearbeitet in den Jahren 1845 bis 1854 ; Einhundert Tafeln colorirter Abbildungen von Vogeleiern - Thienemann, Friedrich August Ludwig, 1793 -1858 (1856)

Zur Fortpflanzungsgeschichte der gesammten Vögel. Text - Thienemann, Friedrich August Ludwig, 1793 -1858 (1856)

Zur vergleichenden Anatomie : der Muskulatur des Beckens und der hinteren Gliedmasse der Ratiten - Gadow, Hans, 1855 -1928 (G. Fischer, 1880)

Zur vergleichenden Anatomie des Brustschulterapparates und der Schultermuskeln V. Teil Vögel - Fürbringer, Maximilian, 1846 -1920 (Gustav Fischer, 1902)