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

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

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

Zoologisches Centralblatt (W. Engelmann, 1895)

Zoologisches Centralblatt (W. Engelmann, 1896)

Zoologisches Centralblatt (W. Engelmann, 1901)

Zoologisches Zentralblatt (W. Engelmann, 1903)

Zoologisches Zentralblatt (W. Engelmann, 1904)

Zoologisches Zentralblatt (W. Engelmann, 1907)

Zoologisches Zentralblatt (W. Engelmann, 1909)

The Zoologist : a monthly journal of natural history (1851)

The Zoologist : a monthly journal of natural history (1861)

The Zoologist : a monthly journal of natural history (1862)

The Zoologist : a monthly journal of natural history (1881)

The Zoologist : a monthly journal of natural history (1887)

The Zoologist : a monthly journal of natural history (1888)

The Zoologist : a monthly journal of natural history (1904)

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, 1897)

Zoology : an elementary text-book - MacBride, E. W. (Ernest William), 1866 -1940 (Univ. Press, 1920)

Zoology of Colorado - Cockerell, Theodore D. A. (Theodore Dru Alison), 1866 -1948 (University of Colorado, 1927)

The zoology of the voyage of H.M.S. Herald under the command of Captain Henry Kellet, R.N., C.B., during the years 1845-51 - Richardson, John, Sir, 1787 -1865 (L. Reeve, 1854)

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

Die Zweiflügler des Kaiserlichen Museums zu Wien - Brauer, Friedrich, 1832 -1904 (K.K. Hof-und Staatsdruckerei, 1894)