ABA Birdfinding Guide: A Birder's Guide to Washington, Second edition [Scratch & Dent]
Hadley, Jane, Editor; Washington Ornithological Society
Birds of Washington State
Jewett, Stanley G., Walter P. Taylor, William T. Shaw, & John W. Aldrich
Birding in the San Juan Islands
Lewis, Mark and Fred Sharpe
Breeding Birds of Washington State
Smith, Micael R., Philip W. Mattocks, Jr., and Kelly M Cassidy.
A Birder's Guide to Coastal Washington
Caring for Birds and Nature: 100 Years of Seattle Audubon
Sidles, Constance, Editor
The Black Swift in Idaho and Biography of Earl J. Larrison Pacific Northwest Naturalist
Weber, John W.
Birds of the Pacific Northwest: A Photographic Guide
Aversa, Tom; Richard Cannings, Hal Opperman
Birds of the Puget Sound Region Coast to Cascades
Paulson, Dennis; et al
ABA Birdfinding Guide: A Birder's Guide to Washington, Second edition
A Working Bibliography on the Peregrine Falcon [Falco perefrinus] in Washington State
Knight, Richard L.; et al
An Annotated Bibliography of Washington Raptors and the Common Raven
Knight, Richard L.