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

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

The Wilson journal of ornithology - Wilson Ornithological Society (Wilson Ornithological Society, 2013)

The Wilson journal of ornithology - Wilson Ornithological Society (Wilson Ornithological Society, 2014)

The Wilson quarterly - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Chapter of the Agassiz Association, 1892)

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)

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

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)

A world of green hills; observations of nature and human nature in the Blue Ridge - Torrey, Bradford, 1843 -1912 (Houghton, Mifflin and company, 1898)

A world of green hills; observations of nature and human nature in the Blue Ridge - Torrey, Bradford, 1843 -1912 (Houghton, Mifflin, 1898)

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

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, 1879)

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

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)

A year with the birds; a guide to the naming of 100 birds commonly to be seen in Connecticut - Fuertes, Louis Agassiz, 1874 -1927 (1905)

A year with the birds - Flagg, Wilson, 1805 -1884 (Educational Publishing Company, 1889)

A year with the birds - Flagg, Wilson, 1805 -1884 (Educational Publishing Company, 1890)