Livres de Harry B. Nehls

Birds of the Willamette Valley Region

Familiar Birds of Northwest shores and waters

Familiar Birds of the Northwest

Familiar Birds of Northwest Shores and Waters

Oregon Great Blue Heron Nesting Sites

Birds of Inland Northwest and Northern Rockies

Familiar Birds of the Northwest

Familiar Birds of Northwest Shores and Waters, Covering Birds Found West of the Cascade Mountains in Northern California, Oregon, Washington, and in Southwestern British Columbia

Oregon Shorebirds