Zoologischer Anzeiger - Deutsche Zoologische Gesellschaft. (VEB Gustav Fischer Verlag, 1898)

Zoologischer Anzeiger - Deutsche Zoologische Gesellschaft. (VEB Gustav Fischer Verlag, 1903)

Zoologischer Anzeiger - Deutsche Zoologische Gesellschaft. (VEB Gustav Fischer Verlag, 1910)

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

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

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

Zoologisches Centralblatt (W. Engelmann, 1894)

Zoologisches Centralblatt (W. Engelmann, 1897)

Zoologisches Centralblatt (W. Engelmann, 1900)

Zoologisches Zentralblatt (W. Engelmann, 1904)

Zoologisches Zentralblatt (W. Engelmann, 1905)

Zoologisches Zentralblatt (W. Engelmann, 1907)

The Zoologist : a monthly journal of natural history (1843)

The Zoologist : a monthly journal of natural history (1844)

The Zoologist : a monthly journal of natural history (1845)

The Zoologist : a monthly journal of natural history (1846)

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

The Zoologist : a monthly journal of natural history (1849)

The Zoologist : a monthly journal of natural history (1853)

The Zoologist : a monthly journal of natural history (1854)

The Zoologist : a monthly journal of natural history (1857)

The Zoologist : a monthly journal of natural history (1859)

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

The Zoologist : a monthly journal of natural history (1864)

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

The Zoologist : a monthly journal of natural history (1866)

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 (1870)

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

The Zoologist : a monthly journal of natural history (1872)

The Zoologist : a monthly journal of natural history (1873)

The Zoologist : a monthly journal of natural history (1876)

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

The Zoologist : a monthly journal of natural history (1878)

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

The Zoologist : a monthly journal of natural history (1882)

The Zoologist : a monthly journal of natural history (1883)

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

The Zoologist : a monthly journal of natural history (1885)

The Zoologist : a monthly journal of natural history (1886)

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

The Zoologist : a monthly journal of natural history (1889)

The Zoologist : a monthly journal of natural history (1890)

The Zoologist : a monthly journal of natural history (1891)

The Zoologist : a monthly journal of natural history (1892)

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

The Zoologist : a monthly journal of natural history (1894)

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

The Zoologist : a monthly journal of natural history (1896)

The Zoologist : a monthly journal of natural history (1897)

The Zoologist : a monthly journal of natural history (1898)

The Zoologist : a monthly journal of natural history (1899)

The Zoologist : a monthly journal of natural history (1900)

The Zoologist : a monthly journal of natural history (1901)

The Zoologist : a monthly journal of natural history (1902)

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

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

The Zoologist : a monthly journal of natural history (1905)

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

The Zoologist : a monthly journal of natural history (1907)

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

The Zoologist : a monthly journal of natural history (1910)

The Zoologist : a monthly journal of natural history (1911)

The Zoologist : a monthly journal of natural history (1912)

The Zoologist : a monthly journal of natural history (1913)

The Zoologist : a monthly journal of natural history (1915)

The Zoologist : a monthly journal of natural history (1916)

The zoologist's text-book, embracing the characters of the classes, orders, and genera, of almost the whole animal kingdom ... - Brown, Thomas, 1785 -1862 (A. Fullarton, & co.; [etc., etc.], 1833)

Zoology of Egypt / by John Anderson - Boulenger, George Albert 1858 -1937 (B. Quaritch, 1898)

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)