The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1990)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1991)

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

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1993)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1994)

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, 1999)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 2000)

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, 2004)

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)

The Wilson journal of ornithology - Wilson Ornithological Society (Wilson Ornithological Society, 2010)

The Wilson journal of ornithology - Wilson Ornithological Society (Wilson Ornithological Society, 2011)

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

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)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1965)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1971)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1986)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 2001)

Wingspan : newsletter for members of the Raptor Research Foundation - Raptor Research; Technical Assistance Center (U.S.) (Raptor Research & Technical Assistance Center, 1998)

Wingspan : newsletter for members of the Raptor Research Foundation - Raptor Research; Technical Assistance Center (U.S.) (Raptor Research & Technical Assistance Center, 2003)

The winter bird-life of Minnesota; being an annotated list of birds that have been found within the state of Minnesota during the winter months - Roberts, Thomas S. (Thomas Sadler), 1858 -1946 (1916)

World Checklist of Threatened Birds (1993)

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)

Year book, the Academy of Natural Sciences of Philadelphia - Academy of Natural Sciences of Philadelphia. (The Academy, 1923)

Yosemite nature notes - United States. National Park Service. (Yosemite Natural History Association, 1922)

Young's Point Provincial Park and Williamson Provincial Park management plan - Alberta. Alberta Community Development. (Alberta Community Development, Parks and Protected Areas, 2003)

yun nan sheng wu duo yang xing ji qi bao hu yan jiu - Yang Yuming, Wang Juan, Wang Jianhao & Pei Shengqi. (ke xue chu ban she, 2008)

Zeitschrift für Säugetierkunde : im Auftrage der Deutschen Gesellschaft für Säugetierkunde e.V - Deutsche Gesellschaft für Säugetierkunde (Die Gesellschaft, 1970)

Zeitschrift für Säugetierkunde : im Auftrage der Deutschen Gesellschaft für Säugetierkunde e.V - Deutsche Gesellschaft für Säugetierkunde (Die Gesellschaft, 1993)

Zeitschrift für Säugetierkunde : im Auftrage der Deutschen Gesellschaft für Säugetierkunde e.V - Deutsche Gesellschaft für Säugetierkunde (Die Gesellschaft, 1998)

Zeitschrift für Säugetierkunde : im Auftrage der Deutschen Gesellschaft für Säugetierkunde e.V - Deutsche Gesellschaft für Säugetierkunde (Die Gesellschaft, 2000)

zhong guo guan jian di qu sheng wu duo yang xing bao yu de ya jiu lun wen hui bian (1998-2000) - Sun, Ruyong. (guo jia zi ran ke xue ji jin jiu wu zhong da xiang mu, 2001)

zhong yao nong lin wai lai ru qin wu zhong de sheng wu xue yu kong zhi - Zheng, Xiaobo. (ke xue chu ban she, 2005)

Zoographia Rosso-Asiatica : sistens omnium animalium in extenso Imperio Rossico, et adjacentibus maribus observatorum recensionem, domicilia, mores et descriptiones, anatomen atque icones plurimorum - Pallas, Peter Simon, 1741 -1811 (In officina Caes. Acadamiae Scientiarum Impress. MDCCCXI, 1831)

Zoologica : scientific contributions of the New York Zoological Society - New York Zoological Society. (1940)

Zoologica : scientific contributions of the New York Zoological Society - New York Zoological Society. (1941)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1913)

The Zoological record - Zoological Society of London. (J.V. Voorst, 1914)

Zoological science - Nihon Dobutsu Gakkai (Zoological Society of Japan, 1984)

Zoological science - Nihon Dobutsu Gakkai (Zoological Society of Japan, 1987)

Zoological science - Nihon Dobutsu Gakkai (Zoological Society of Japan, 1990)

Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere (G. Fischer, 1914)

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

Известия на Царските природонаучни институти в София = Izvestiia na Tsarskitia prirodonauchni instituti v Sofiia - Tsarskitie prirodonauchni instituti (Sofiia, Bulgaria) (Pechatnitsa P. Glushkov, 1942)