Welsh birds - Welsh Ornithological Society. (Welsh Ornithological Society, 1999)

Welsh birds - Welsh Ornithological Society. (Welsh Ornithological Society, 2000)

Welsh birds - Welsh Ornithological Society. (Welsh Ornithological Society, 2002)

Welsh birds - Welsh Ornithological Society. (Welsh Ornithological Society, 2006)

Welsh birds - Welsh Ornithological Society. (Welsh Ornithological Society, 2007)

Welsh birds - Welsh Ornithological Society. (Welsh Ornithological Society, 2008)

Welsh birds - Welsh Ornithological Society. (Welsh Ornithological Society, 2009)

Welsh birds - Welsh Ornithological Society. (Welsh Ornithological Society, 2010)

West Virginia birds : distribution and ecology - Hall, George A. (Carnegie Museum of Natural History, 1983)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1976)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1980)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1981)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1984)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1986)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1987)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1989)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1994)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1998)

Western birds - California Field Ornithologists. (California Field Ornithologists, 2000)

Western birds - California Field Ornithologists. (California Field Ornithologists, 2003)

Western birds - California Field Ornithologists. (California Field Ornithologists, 2004)

Western birds - California Field Ornithologists. (California Field Ornithologists, 2005)

Western birds - California Field Ornithologists. (California Field Ornithologists, 2006)

Western birds - California Field Ornithologists. (California Field Ornithologists, 2009)

Western birds - California Field Ornithologists. (California Field Ornithologists, 2010)

Western birds - California Field Ornithologists. (California Field Ornithologists, 2011)

Western birds - California Field Ornithologists. (California Field Ornithologists, 2012)

Western birds - California Field Ornithologists. (California Field Ornithologists, 2013)

Western birds - California Field Ornithologists. (California Field Ornithologists, 2015)

Western naturalist - Renfrew Natural History Society. (Renfrew Natural History Society, 1974)

Western naturalist - Renfrew Natural History Society. (Renfrew Natural History Society, 1982)

The wild fowl of the United States and British possessions, or, The Swan, geese, ducks, and mergansers of North America with accounts of their habits, nesting, migrations, and dispersions, together with descriptions of the adults and young, and keys for the ready identification of the species : a book for the sportsman, and for those desirous of knowing how to distinguish these web-footed birds and to learn their ways in their native wilds - Elliot, Daniel Giraud, 1835 -1915 (F. Harper, 1898)

The wild fowl of the United States and British possessions : or, The swan, geese, ducks, and mergansers of North America ... - Elliot, Daniel Giraud, 1835 -1915 (Suckling, 1898)

The wild fowl of the United States and British possessions; or, The swan, geese, ducks, and mergansers of North America - Elliot, Daniel Giraud, 1835 -1915 (F. P. Harper, 1898)

The wild-fowler : a treatise on ancient and modern wild-fowling, historical and practical - Folkard, Henry Coleman, 1827 -1914 (Longman, Green, Longman, and Roberts, 1864)

The wild-fowler : a treatise on ancient and modern wild-fowling, historical and practical - Folkard, Henry Coleman, 1827 -1914 (Piper, Stephenson, and Spence, 1859)

Wildlife food plants of the Southwest - Patton, David R. (U.S. Dept. of Agriculture, Forest Service, Southwestern Region, 1982)

Wildlife habitat requirement summaries for selected wildlife species in Alberta - Alberta. Fish; Wildlife Division. (Alberta Energy and Natural Resources, 1985)

Wildlife loss estimates and summary of previous mitigation related to hydroelectric projects in Montana : volume three, Hungry Horse project - Olsen, Arnold. (Bonneville Power Administration, Division of Fish and Wildlife, 1984)

Wildlife of the Mackenzie Delta region - Casselman, Lisa M. (Boreal Institute for Northern Studies, University of Alberta, 1984)

Wildlife survey of the Antelope Creek habitat development area - 2007 - Alberta. Alberta Sustainable Resource Development. (Alberta Sustainable Resource Development, Fish & Wildlife Division, Species At Risk, 2008)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1945)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1950)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1952)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1954)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1956)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1959)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1960)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1961)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1965)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1966)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1975)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1976)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1978)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1980)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1983)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1985)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1986)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1988)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1989)

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, 2002)

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, 2009)

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

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)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1870)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 1869)

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, 1978)

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

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 2005)

Wiltshire archaeological and natural history magazine - Wiltshire Archaeological; Natural History Society. (Wiltshire Archaeological and Natural History Society, 2009)

Wissenschaftliche Mitteilungen aus Bosnien und Herzegovina (1897)

Wissenschaftliche Mitteilungen aus Bosnien und Herzegovina (1902)

World Checklist of Threatened Birds (1990)

World Checklist of Threatened Birds (1993)

Wörterbücher der Naturgeschichte : in der deutschen, holländischen, dänischen, schwedischen, englischen, französischen, italienischen, Spanischen und Portugisischen Sprache - Nemnich, Philipp Andreas, 1764 -1822 (Adam Friedrich Böhme, 1798)

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

Yang ming shan guo jia gong yuan cui cui gu zhao ce sheng tai xi zhi yan jiu diao cha 陽明山國家公園翠翠谷沼澤生態系之研究調查 - Lu, Guangyang (呂光洋), Wang Zhenzhe, Cao Jieru, Lu Yujuan, Zhang Weisa, Chen Yilong, Hua Bingrong, Ma Xiequn. (guo li tai wan shi fan da xue, 1990)

The Young naturalist (1883)

The young sportsman's manual : or, recreations in shooting ; with some account of the game found in the British Islands, and practical directions for the management of dog and gun - Carleton, John William, -1856 (Chapman and Hall, 1849)

Zeitschrift der Deutschen Geologischen Gesellschaft - Deutsche Geologische Gesellschaft. (Wilhelm Hertz, 1880)

Zeitschrift der Deutschen Geologischen Gesellschaft - Deutsche Geologische Gesellschaft. (Wilhelm Hertz, 1904)

Zeitschrift für die gesammte Ornithologie - Madarász, Gyula, 1858 -1931 (Franklin-Verein, 1884)

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

Zeitschrift für die gesammte Ornithologie - Madarász, Gyula, 1858 -1931 (Franklin-Verein, 1887)

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