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, 1999)

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

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)

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

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)

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)

Wisconsin bird-study bulletin - Barnett, Maud (C.P. Cary, State Superintendent, 1906)

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)

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, 1895)

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

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

The writings of John Burroughs - Burroughs, John, 1837 -1921 (Houghton, Mifflin, & co, 1905)

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)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1894)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1897)

Yearbook of agriculture - United States. Department of Agriculture. (U.S. Govt. Print. Off, 1900)

The Yellowstone National Park - Comstock, Theo. B. (Theodore Bryant), 1849 -1915 (1874)

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)

Zeitschrift für die gesammten Naturwissenschaft - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Wiegandt, Hempel & Parey, 1867)

Zeitschrift für die gesammten Naturwissenschaft - Naturwissenschaftlicher Verein für Sachsen und Thüringen in Halle. (Wiegandt, Hempel & Parey, 1870)