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

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 (1878)

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

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

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

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

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 postembryonalen Entwicklung des Auges der Amphibien - Schoebel, Emil. (1890)

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)