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

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

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

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1883)

Zoologisches Centralblatt (W. Engelmann, 1897)

Zoologisches Centralblatt (W. Engelmann, 1900)

Zoologisches Centralblatt (W. Engelmann, 1902)

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 (1850)

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

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

The Zoologist : a monthly journal of natural history (1856)

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

The Zoologist : a monthly journal of natural history (1860)

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

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

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

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

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 (1882)

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 (1891)

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

The zoology of Captain Beechey's voyage - Beechey, F. W. (Frederick William), 1796 -1856 (H.G. Bohn, 1839)

Zoology of New York; or, The New York Fauna; comprising detailed descriptions of all the animals hitherto observed within the state of New York, with brief notices of those occasionally found near its borders, and accompanied by appropriate illustrations - De Kay, James E. (James Ellsworth), 1792 -1851 (W. & A. White & J. Visscher, 1844)

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)

Известия на Царските природонаучни институти в София = Izvestiia na Tsarskitia prirodonauchni instituti v Sofiia - Tsarskitie prirodonauchni instituti (Sofiia, Bulgaria) (Pechatnitsa P. Glushkov, 1930)

Известия на Царските природонаучни институти в София = Izvestiia na Tsarskitia prirodonauchni instituti v Sofiia - Tsarskitie prirodonauchni instituti (Sofiia, Bulgaria) (Pechatnitsa P. Glushkov, 1934)

Известия на Царските природонаучни институти в София = Izvestiia na Tsarskitia prirodonauchni instituti v Sofiia - Tsarskitie prirodonauchni instituti (Sofiia, Bulgaria) (Pechatnitsa P. Glushkov, 1940)