Portland Audubon Society

year of pub­li­ca­ti­onISBNauthor(s)title
1978978-0-931686-01-6David B MarshallFamiliar Birds of Northwest Forests Fields and Gardens: Covering Conspicuous Birds found West of the Cascade Range from Northern California Into Southern British Columbia Exclusive of Salt Water and Alpine Species with Special Emphasis on Identification.
1988978-0-931686-03-0R. Bruce Horsfall ยท Carra Elisabeth Hunting HorsfallBluebirds Seven: Paintings
1981978-0-931686-04-7Harry B. NehlsFamiliar Birds of the Northwest Covering Birds Commonly Found in Oregon, Washington, Idaho, Northern California, and Western Canada
1989978-0-931686-08-5Harry J. NehlsFamiliar Birds of the Northwest
1990978-0-931686-09-2Joseph E. Jr. EvanichThe Birder's Guide to Oregon