Main contributor
- Bruce Cornwell2
- Coronet Instructional Films2
- Crown Film Unit2
- Delta Films2
- Division of Visual Aids, U.S. Office of Education (Producer)2
- E. H. C. Hildebrandt2
- ERPI Classroom Films, Inc.2
- Emerson Yorke Studio (Producer)2
- Encyclopaedia Britannica Films Inc.2
- Evelyn P. Anderson2
- Frank Wells2
- Indiana University Audio-Visual Center2
- Katharine Cornwell2
- Louis Dahl2
- Robert Pruitt2
- Seymour Zolotareff2
- United States Navy2
- United States. Department of Agriculture. Forest Service2
- United States. War Finance Division2
- Winifred Cullis2