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 (1892)

The Zoologist : a monthly journal of natural history (1894)

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 (1901)

The Zoologist : a monthly journal of natural history (1902)

The Zoologist : a monthly journal of natural history (1904)

The Zoologist : a monthly journal of natural history (1908)

The Zoologist : a monthly journal of natural history (1909)

The Zoologist : a monthly journal of natural history (1912)

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

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

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)

Zoosystematics and evolution (Pensoft, 2015)

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)

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

Zur Ornithologie Brasiliens : Resultate von Johann Natterers Reisen in den Jahren 1817 bis 1835 - Natterer, Johann, 1787 -1843 (A. Pichler's Witwe & Sohn, 1871)

Zur vergleichenden Anatomie : der Muskulatur des Beckens und der hinteren Gliedmasse der Ratiten - Gadow, Hans, 1855 -1928 (G. Fischer, 1880)

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

Die zweite Deutsche Nordpolarfahrt in den Jahren 1869 und 1870, unter Führung des Kapitän Karl Koldewey - Geographische Gesellschaft in Bremen. (F.A. Brockhaus, 1874)