| Greenwich Society of Artists | |
| American Museum of Natural History | |
| American Bison Society | |
| The Sequoyah League | |
| The Camp-Fire Club of America | |
| The American Ornithological Union | |
| American Academy of Sciences | |
| The Explorers Cluib | |
| The Players Club |
Ernest Thompson Seton Institute
Inspiring curiosity and respect for nature and humanity
