Notes
Class notebook
Expense report
Expense report
Expense report
Issue of The Condor magazine
Mixed lecture
Table of contents
We are seven
Jack crow
Photographing a flicker family
Hunting grebes
Life blood of birds for fashion
Bird families
A study of birds
Introduction: Nature study and photography
The woodpecker - Description of pond
Grosbeak babies
Nature study
Photography
Compilation of manuscripts on birds
The passing of the California condor
The aerie of the red-tail
Why not a bird chart on an ocean liner?
Habits of the otter
The bush-tit
Parkman or house wren
The black bear