Manuscript discussing the effects of high dams on Columbia River salmon with a focus on the Bonneville Dam
Willamette River distress
The pitcher plant traps and eats insects
Every fall evening one may attend the orchestra of the tree crickets
The orchestra of tree crickets performs every evening
The pitcher plant traps and eats insects
Columbia River pollution
Flocking of the swallows
Duck hunting on the Columbia
Compilation of manuscripts on birds
Southern Oregon lecture I
General - The California condor
Bird lives
Yellow throat
Red tail hawk
Eastern Oregon
Bird - Life about a pond
The witches' garden
Malheur
White heron search
Lecture
The witches' garden
Renting houses for songs and birds everyone should know
The birds of Ladd's Pond
"Oregon conquers stream pollution"
Newspaper clipping titled: “In the Gull Bread Line on our Waterfront”
Letter and manuscript of "Bird-life about a pond"
Do birds act like people?