Organization US Biological Survey

Sioux City Journal (reporter | 1900)

Des Moines Register and Leader (1906 | 1913)

New York Globe (1911)

New York Herald Tribune (cartoonist | 1916-1949)

Committee on Wildlife Restoration (presidential appointee | 1934)

Federal Duck Stamp (Migratory Bird Hunting and Conservation Stamp | initiator | 1934)

Boone and Crockett Club (member | 1934)

National Wildlife Federation (instrumental in founding | 1936)

Stanford University

Hopkins Marine Station (Director : 1917-1943)

American Ornithologists' Union

California Academy of Sciences

Cooper Ornithological Club

Cosmos Club