Zoologica (Erwin Nägele, 1908)

The Zoological record. Insecta - Zoological Society of London. (John Van Voorst, 1872)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1873)

Der Zoologische Garten - International Union of Directors of Zoological Gardens (G. Fischer, Zoologische gesellschaft, 1913)

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

Zur Flora der Umgebung Lembergs - Tomaschek, Anton, 1826 -1891 (s.n, 1866)

Известия на Царските природонаучни институти в София = Izvestiia na Tsarskitia prirodonauchni instituti v Sofiia - Tsarskitie prirodonauchni instituti (Sofiia, Bulgaria) (Pechatnitsa P. Glushkov, 1932)