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

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 (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 (1902)

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

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 (1909)

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 - Packard, A. S. (Alpheus Spring), 1839 -1905 (Henry Holt and Company, 1879)

Zoology : an elementary text-book - MacBride, E. W. (Ernest William), 1866 -1940 (Univ. Press, 1920)

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)

Zoology of the vertebrate animals - Packard, A. S. (Alpheus Spring), 1839 -1905 (Holt, 1878)

Zoology; a text-book for secondary schools, normal schools and colleges - Galloway, Thomas Walton, 1866 -1929 (P. Blakiston, 1909)

Zoology, a textbook for college and university students - Chidester, Floyd Earle, 1884 -1947 (D. Van Nostrand, 1932)

Zöology; a textbook for colleges and universities - Cockerell, Theodore D. A. (Theodore Dru Alison), 1866 -1948 (World book company, 1920)

Zur Fortpflanzungsgeschichte der gesammten Vögel. Text - Thienemann, Friedrich August Ludwig, 1793 -1858 (1856)

Zur Speciesfrage - Hoffmann, Hermann, 1819 -1891 (De Erven Loosjes, 1875)

Zur vergleichenden Anatomie des Brustschulterapparates und der Schultermuskeln. V. Teil, Vögel - Fürbringer, Maximilian, 1846 -1920 (Gustav Fischer, 1902)

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