The warblers of North America - Chapman, Frank M. (Frank Michler), 1864 -1945 (D. Appleton & Company, 1907)

The warblers of North America - Chapman, Frank M. (Frank Michler), 1864 -1945 (D. Appleton, 1917)

The way to study birds - Kuser, John Dryden (Putnam, 1917)

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

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

Western birds - California Field Ornithologists. (California Field Ornithologists, 1975)

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

Western birds - California Field Ornithologists. (California Field Ornithologists, 1979)

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, 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, 1991)

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

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, 1999)

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

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

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, 2007)

Western birds - California Field Ornithologists. (California Field Ornithologists, 2008)

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, 2014)

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

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 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)

Wildbirds of New York / by Chester A. Reed - Reed, Chester A. (Chester Albert), 1876 -1912 (Mohonk salesrooms, 1912)

Wildbirds of New York - Reed, Chester A. (Chester Albert), 1876 -1912 (Mohonk Salesrooms, 1912)

William Brewster correspondence. Letters from Charles Kimball Worthen - Brewster, William, 1851 -1919 (1904)

William Brewster correspondence. Letters from Willis W. Worthington - Brewster, William, 1851 -1919 (1893)

William Brewster correspondence. Senders Higbee-Hoopes - Brewster, William, 1851 -1919 (1896)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1897)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1898)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1900)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1901)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1902)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1903)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1904)

The Wilson bulletin - Agassiz Association. Wilson Ornithological Chapter. (Wilson Ornithological Society, 1905)