Western bird guide; birds of the Rockies and west to the Pacific - Reed, Chester A. (Chester Albert), 1876 -1912 (Doubleday, Page & Co, 1913)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1973)

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

Western birds - California Field Ornithologists. (California Field Ornithologists, 1985)

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, 1988)

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

Western birds - California Field Ornithologists. (California Field Ornithologists, 1990)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1991)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1993)

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

Western birds - California Field Ornithologists. (California Field Ornithologists, 1995)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1996)

Western birds - California Field Ornithologists. (California Field Ornithologists, 1997)

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

Western birds - California Field Ornithologists. (California Field Ornithologists, 1999)

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

Western birds - California Field Ornithologists. (California Field Ornithologists, 2001)

Western birds - California Field Ornithologists. (California Field Ornithologists, 2002)

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)

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Western birds - Myers, Harriet Williams. (The Macmillan company, 1922)

What bird is that? A pocket museum of the land birds of the eastern United States, arranged according to season - Chapman, Frank M. (Frank Michler), 1864 -1945 (D. Appleton, 1920)

Wild animals of Glacier National Park. The mammals, with notes on physiography and life zones; The birds - Bailey, Vernon, 1864 -1942 (Govt. print. off, 1918)

Wild birds in city parks; being hints on identifying 200 birds, prepared primarily for the spring migration in Lincoln Park, Chicago, but adapted to other localities - Walter, Alice Hall. (Press of the St. Johnsbury republican co.], 1910)

Wild life in Canada - Buchanan, Angus, 1886 -1954 (McClelland, Goodchild and Stewart, 1920)

Wild life in Canada - Buchanan, Angus, 1886 -1954 (F. A. Stokes, 1920)

Wild life of orchard and field - Ingersoll, Ernest, 1852 -1946 (Harper & brothers, 1902)