Main contributor
- David N. Baker1
- Eastman, Joseph B. (Joseph Bartlett), 1882-19441
- Elson, Bob, 1904-19815
- Emerson's Mountaineers1
- Erpi Classroom Films Inc.2
- Erpi Classroom Films, Inc.1
- Feil, Ed2
- Feil, Edward12
- Feil, Naomi6
- Foremost1
- GT&E1
- General Electric2
- General Motors1
- Glass Container Manufacturers Institute1
- Glass Container Manufacturers Institute 1
- Grew, Joseph C. (Joseph Clark), 1880-19651
- Hood Ice Cream3
- Illinois Department of Public Health1
- Indiana U Audio-Visual Center1
- Indiana U Instructional Support Services1