Birds of the Pacific states ; containing brief biographies and descriptions of about four hundred species, with especial reference to their appearance in the field /

Familiar birds of the Pacific Southwest : with size and color key /
by: Dickey, Florence Van Vechten Murphy
Published: (1935)

Birds of the Pacific coast : including a brief account of the distribution and habitat of one hundred and eighteen birds that are more or less common to the Pacific coast states and British Columbia, many of which are found eastward to the Rocky mountains and beyond /
by: Eliot, Willard Ayres, 1871-1961
Published: (1923)

Backyard wild birds of California and the Pacific Northwest /
by: Brown, Vinson, 1912-1991
Published: (1965)

Birds of the West Coast /
by: Lansdowne, J. Fenwick (James Fenwick), 1937-2008
Published: (1976)