Status of water fowl in northwestern states
Malheur refuge an aid to both birds and farmers
Klamath waterfowl mat stage a good comeback
Article discussing bird refuges and waterfowl populations
"Reports on waterfowl food resources and shooting survey: The Lower Columbia River District"
"Supplementary report: Waterfowl situation in the Pacific Northwest"
"Waterfowl survey - Washington and Oregon, west of the Cascades"
Articles discussing Willamette River pollution and declining waterfowl populations in Pacific Northwest
Articles authored by William Finley and Ed F. Averill discussing Oregon wildlife
"Report on waterfowl food resources and shooting survey: Puget Sound and glacial lakes"
"Supplementary report: Waterfowl survey in western Washington and western Oregon"
Migratory Bird Advisory Board, 1933
Migratory Bird Advisory Board, 1934
The Great Malheur Lake-Blitzen Valley Migratory Waterfowl Refuge
Malheur (Lake-Blitzen Valley) Migratory Waterfowl Refuge
Articles discussing Willamette Valley project and migratory waterfowl in Mexico