Main contributor
- CBS Television1
- Canadian Geographic Society1
- Carmen Dirigo1
- Carole Eickhoff1
- Center for Mass Communication, Columbia University Press1
- Centron Corporation1
- Charles D. Cooper1
- Charles J. Vierck1
- Coronet Instructional Films1
- Crawley Films1
- Daisy M. Jones1
- David Wisner1
- Davidson Films1
- Dean Cromwell1
- Division of Visual Aids, U.S. Office of Education1
- Division of Visual Aids, United States Office of Education (Producer)1
- Donovan Miller1
- Dwight Weist1
- Ed Fitzgerald1
- Elbert C. Weaver1