The Wilson journal of ornithology - Wilson Ornithological Society (Wilson Ornithological Society, 2012)

Wilson's American ornithology with additions including the birds described by Audubon, Bonaparte, Nuttall, & Richardson - Wilson, Alexander, 1766 -1813 (C.L. Cornish, 1839)

Wilson's American ornithology : with notes by Jardine ; to which is added a synopsis of American birds, including those described by Bonaparte, Audubon, Nuttall, and Richardson - Brewer, T. M. (Thomas Mayo), 1814 -1880 (Otis, Broaders, and Co, 1840)

Wilson's American ornithology, with notes by Jardine. To which is added a synopsis of American birds, including those described by Bonaparte, Audubon, Nuttall, and Richardson, by T.M. Brewer - Brewer, T. M. (Thomas Mayo), 1814 -1880 (T.L. Magagnos, 1854)

Winter sunshine - Burroughs, John, 1837 -1921 (Houghton, Mifflin, 1901)

Works - Bacon, Francis, 1561 -1626 (Longmans, 1875)

Works - Bacon, Francis, 1561 -1626 (Pickering, 1825)

The world book, organized knowledge in story and picture - O'Shea, Michael Vincent, 1866 - (Quarrie, 1920)

World Checklist of Threatened Birds (1993)

Wörterbuch der biologie. Von dr. Heinrich Schmidt - Schmidt, Heinrich, 1874 -1935 (A. Kröner, 1912)

The writings of John Burroughs - Burroughs, John, 1837 -1921 (Houghton, Mifflin, & co, 1895)

The writings of John Burroughs - Burroughs, John, 1837 -1921 (Houghton, Mifflin, & co, 1904)

Year book - Carnegie Institution of Washington - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1900)

The Yellowstone National Park - Comstock, Theo. B. (Theodore Bryant), 1849 -1915 (1874)

The young oölogist (1884)

Zapiski Imperatorskoĭ akademīi nauk po Istoriko-filologicheskomu otdi͡elenīi͡u. Mémoires de l'Académie impériale des sciences de St.-Pétersbourg. Classe historico-philologique VIIIe série - Imperatorskai͡a akademīi͡a nauk (Russia). Istoriko-filologicheskoe otdi͡elenīe. (Tip Imp. akademīi nauk, 1922)

Zeitschrift der Deutschen Geologischen Gesellschaft - Deutsche Geologische Gesellschaft. (Wilhelm Hertz, 1851)

Zeitschrift für die gesammte Ornithologie - Madarász, Gyula, 1858 -1931 (Franklin-Verein, 1885)

Zeitschrift für die gesammten Naturwissenschaft - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Wiegandt, Hempel & Parey, 1854)

Zeitschrift für die gesammten Naturwissenschaft - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Wiegandt, Hempel & Parey, 1855)

Zeitschrift für die gesammten Naturwissenschaft - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Wiegandt, Hempel & Parey, 1866)

Zeitschrift für Entomologie - Verein für schlesische Insektenkunde zu Breslau. (In Commission bei I. Urban Kern, 1901)

Zeitschrift für Naturwissenschaften - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Verlag Naturwissenschaftlichen Vereins für Sachsen und Thüringen, 1911)

Zeitschrift fur Oologie (H. Hocke, 1893)

Zentralblatt für Zoologie, allgemeine und experimentelle Biologie (B.G. Teubner, 1913)

Zoe:a biological journal (Zoe Publishing Co, 1892)

Zoognosia tabulis synopticis illustrata : in usum praelectionum Academiae imperialis medico-chirugicae mosquensis edita - Fischer von Waldheim, Gotthelf, 1771 -1853 (Typis Nicolai S. Vsevolozsky, 1813)

Zoologica : scientific contributions of the New York Zoological Society - New York Zoological Society. (1907)

Zoologica : scientific contributions of the New York Zoological Society - New York Zoological Society. (1914)

Zoologica : scientific contributions of the New York Zoological Society - New York Zoological Society. (1925)

Zoologica : scientific contributions of the New York Zoological Society - New York Zoological Society. (1939)

Zoological classification; a handy book of reference with tables of the subkingdoms, classes, orders, etc., of the animal kingdom, their characters and lists of the families and principal genera - Pascoe, Francis Polkinghorne, 1813 -1893 (J. Van Voorst, 1880)

Zoological exercises for students in New Zealand - Hutton, Frederick Wollaston, 1836 -1905 ([publisher not identified], 1880)

Zoological illustrations, or, Original figures and descriptions of new, rare, or interesting animals, selected chiefly from the classes of ornithology, entomology, and conchology, and arranged according to their apparent affinities 2nd series - Swainson, William, 1789 -1855 (Baldwin & Cradock, 1832)

The Zoological journal - Sowerby, James de Carle, 1787 -1871 (W. Phillips, 1825)

The Zoological journal - Sowerby, James de Carle, 1787 -1871 (W. Phillips, 1827)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1874)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1879)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1880)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1884)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1889)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1896)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1902)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1906)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1907)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1921)

Zoological series - Geological; Natural History Survey of Minnesota. (Geological and Natural History Survey, 1892)

Zoologische Beyträge zur XIII. Ausgabe des Linnéischen Natursystems - Linné, Carl von, 1707 -1778 (In der Weidmannischen Buchhandlung, 1794)

Zoologische Beyträge zur XIII. Ausgabe des Linnéischen Natursystems - Linné, Carl von, 1707 -1778 (In der Weidmannischen Buchhandlung, 1795)

Zoologische Briefe : Naturgeschichte lebenden und untergegangenen Thiere, für Lehrer, höhere Schulen und Gebildete aller Stände - Vogt, Karl Christoph, 1817 -1895 (Literarische Anstalt, 1851)

Der Zoologische Garten - International Union of Directors of Zoological Gardens (G. Fischer, Zoologische gesellschaft, 1871)

Der Zoologische Garten - International Union of Directors of Zoological Gardens (G. Fischer, Zoologische gesellschaft, 1877)

Der Zoologische Garten - International Union of Directors of Zoological Gardens (G. Fischer, Zoologische gesellschaft, 1878)

Der Zoologische Garten - International Union of Directors of Zoological Gardens (G. Fischer, Zoologische gesellschaft, 1880)

Der Zoologische Garten - International Union of Directors of Zoological Gardens (G. Fischer, Zoologische gesellschaft, 1886)

Der Zoologische Garten - International Union of Directors of Zoological Gardens (G. Fischer, Zoologische gesellschaft, 1903)

Zoologische Jahrbücher Abteilung für Systematik, Geographie und Biologie der Tiere (G. Fischer, 1922)

Zoologischer Anzeiger - Deutsche Zoologische Gesellschaft. (VEB Gustav Fischer Verlag, 1880)

Zoologischer Anzeiger - Deutsche Zoologische Gesellschaft. (VEB Gustav Fischer Verlag, 1885)

Zoologischer Anzeiger - Deutsche Zoologische Gesellschaft. (VEB Gustav Fischer Verlag, 1893)

Zoologischer Anzeiger - Deutsche Zoologische Gesellschaft. (VEB Gustav Fischer Verlag, 1878)

Zoologischer Anzeiger - Deutsche Zoologische Gesellschaft. (VEB Gustav Fischer Verlag, 1898)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1880)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1885)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1887)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1886)

Zoologischer Jahresbericht - Stazione zoologica di Napoli. (R. Friedlander, 1896)

The Zoologist : a monthly journal of natural history (1869)

The Zoologist : a monthly journal of natural history (1873)

The Zoologist : a monthly journal of natural history (1880)

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

The zoology of Captain Beechey's voyage - Beechey, F. W. (Frederick William), 1796 -1856 (H.G. Bohn, 1839)

Zoology of Colorado - Cockerell, Theodore D. A. (Theodore Dru Alison), 1866 -1948 (University of Colorado, 1927)

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 (Printed by Carroll and Cook, printers to the Assembly [etc.], 1842)

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)

The zoology of the voyage of H.M.S. Beagle ... during the years 1832-1836 - Darwin, Charles, 1809 -1882 (Smith, Elder & Co, 1838)

The zoology of the voyage of H.M.S. Beagle ... during the years 1832-1836 - Darwin, Charles, 1809 -1882 (Smith, Elder & Co, 1841)

The zoology of the voyage of H.M.S. Beagle, under the command of Captain Fitzroy, R.N., during the years 1832 to 1836 : Published with the approval of the Lords Commissioners of Her Majesty's Treasury - Darwin, Charles, 1809 -1882 (Published by Smith, Elder and Co., 65 Cornhill, 1841)

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)

昆蟲世界 = The insect world - Nawa, Yasushi, 1857 -1926 (名和昆蟲硏究所, 1906)