Zoologischer Anzeiger - Deutsche Zoologische Gesellschaft. (VEB Gustav Fischer Verlag, 1892)

Zoologischer Anzeiger - Deutsche Zoologische Gesellschaft. (VEB Gustav Fischer Verlag, 1888)

Zoologischer Anzeiger - Deutsche Zoologische Gesellschaft. (VEB Gustav Fischer Verlag, 1893)

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

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

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

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

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

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

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

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

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

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

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

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

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

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 (1912)

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

Zoology for students : a handbook - Royal College of Physicians of Edinburgh. (Daldy, Isbister, 1875)

Zur Morphologie des Vogelskelets : Vergleichende Osteologie der normalen Tagraubvögel (Accipitres) und die Fragen der Classification / von Dr. P. Suschkin - Moskovskoe obshchestvo liubitelei prirody. (Kouchnéreff, 1905)

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, 1940)

Известия на Царските природонаучни институти в София = Izvestiia na Tsarskitia prirodonauchni instituti v Sofiia - Tsarskitie prirodonauchni instituti (Sofiia, Bulgaria) (Pechatnitsa P. Glushkov, 1942)