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