Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1909)

Zoologisches Zentralblatt (W. Engelmann, 1910)

The Zoologist : a monthly journal of natural history (1870)

The Zoologist : a monthly journal of natural history (1877)

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

The Zoologist : a monthly journal of natural history (1895)

The Zoologist : a monthly journal of natural history (1897)

The Zoologist : a monthly journal of natural history (1899)

The Zoologist : a monthly journal of natural history (1901)

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

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 : a textbook for universities, colleges and normal schools / Thomas Walton Galloway - Galloway, Thomas Walton, 1866 -1929 (Blakiston, 1915)

Zoosystema - Muséum national d'histoire naturelle (France) (Ed. scientifiques du Muséum, 1999)

Zoosystematics and evolution (Pensoft, 2015)

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)