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

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1967)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1969)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1970)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1971)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1972)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1973)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1974)

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

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

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1979)

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

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

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1987)

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, 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, 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 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, 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 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, 1917)

Winter sunshine - Burroughs, John, 1837 -1921 (Houghton, Mifflin, 1902)

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

Wood notes wild, notations of bird music - Cheney, John Vance, 1848 -1922 (Lee and Shepard, 1892)

The woodpeckers - Fuertes, Louis Agassiz, 1874 -1927 (Houghton, Mifflin and company, 1901)

Woodpeckers in relation to trees and wood products - McAtee, W. L. (Waldo Lee) 1883 -1962 (U.S. Dept. of Agriculture, Biological Survey, 1911)

Woodpeckers of the world - Short, Lester L. (Delaware Museum of Natural History, 1982)

Workshop proceedings: management of western forests and grasslands for nongame birds, February 11-14, 1980, Salt Lake City, Utah - Intermountain Forest; Range Experiment Station (Ogden, Utah) (Intermountain Forest and Range Experiment Station, Rocky Mountain Forest and Range Experiment Station, and Intermountain Region, 1980)

World Checklist of Threatened Birds (1990)

World Checklist of Threatened Birds (1993)

The world's birds a simple and popular classification of the birds of the world - Finn, Frank, 1868 -1932 (Hutchinson & co, 1908)

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The writings of John Burroughs - Burroughs, John, 1837 -1921 (Houghton, Mifflin, & co, 1879)

The writings of John Burroughs - Burroughs, John, 1837 -1921 (Houghton, Mifflin, & co, 1889)

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Young scientist (Industrial Publication Company, 1878)

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, 1857)

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

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

Zoe:a biological journal (Zoe Publishing Co, 1891)

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

Zoe:a biological journal (Zoe Publishing Co, 1893)

Zoología agrícola mexicana - Mexico. Secretaría de Fomento (Oficina Tip. de la Secretaría de Fomento, 1898)

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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)

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 journal - Sowerby, James de Carle, 1787 -1871 (W. Phillips, 1828)

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