The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1992)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1995)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1996)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1997)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1998)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 2002)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 2003)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 2005)

The Wilson journal of ornithology - Wilson Ornithological Society (Wilson Ornithological Society, 2006)

The Wilson journal of ornithology - Wilson Ornithological Society (Wilson Ornithological Society, 2007)

The Wilson journal of ornithology - Wilson Ornithological Society (Wilson Ornithological Society, 2008)

The Wilson journal of ornithology - Wilson Ornithological Society (Wilson Ornithological Society, 2009)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1978)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1979)

Wissenschaftliche Ergebnisse der Deutschen Zentral-Africa-Expedition, 1907-1908 : unter Führung Adolf Friedrichs, Herzogs zu Mecklenburg - Friedrich, Adolf Duke of Mecklenburg-Schwerin, 1873 -1969 (Klinkhardt & Biermann, 1912)

The writings of John Burroughs. [v.1-20 - Burroughs, John, 1837 -1921 (Houghton, Mifflin and Co, 1904)

Wyoming birds and their value to agriculture - Grave, B. H. (Benjamin Harrison), 1878 -1949 (1916)

xin jiang sheng wu duo yang xing - Yuan, Guoying (xin jiang ke xue ji shu chu ban she, 2008)

Zeitschrift fur Oologie und Ornithologie (H. Hocke, 1906)

Zeitschrift fur Oologie und Ornithologie (H. Hocke, 1909)

Zeitschrift fur Oologie und Ornithologie (H. Hocke, 1912)

Zeitschrift fur Oologie und Ornithologie (H. Hocke, 1913)

Zeitschrift fur Oologie und Ornithologie (H. Hocke, 1919)

Zeitschrift für wissenschaftliche Insektenbiologie (s.n, 1920)

zhong guo jin ji kun chong xue.zeng ding ban 中国经济昆虫学.增订版 - Li, Fengsun 李凤荪 (bian zhe zi kan 编者自刊, 1951)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1903)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1908)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1910)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1912)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1922)

Zoologische Annalen (A. Stuber's Verlag (C. Kabitzsch, 1913)

Der Zoologische Garten - International Union of Directors of Zoological Gardens (G. Fischer, Zoologische gesellschaft, 1906)

Der Zoologische Garten - International Union of Directors of Zoological Gardens (G. Fischer, Zoologische gesellschaft, 1907)

Der Zoologische Garten - International Union of Directors of Zoological Gardens (G. Fischer, Zoologische gesellschaft, 1912)

Der Zoologische Garten - International Union of Directors of Zoological Gardens (G. Fischer, Zoologische gesellschaft, 1914)

Der Zoologische Garten - International Union of Directors of Zoological Gardens (G. Fischer, Zoologische gesellschaft, 1915)

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