Main contributor
- Aleksander Zarzycki1
- Alexander, Donald, 1913-19931
- American Institute of Biological Sciences1
- Ania Gouliaeva1
- Brandon Films, Inc1
- Bruce Cornwell1
- Caravel Films, Inc.1
- Centron Corporation1
- Charikov1
- Coudelskaya1
- Daniel Wiegand1
- David Johnson1
- David Oistrakh1
- Division of Visual Aids, U.S. Office of Education1
- Division of Visual Aids, United States Office of Education1
- Donald A. Dukelow1
- Dr. Ray Koppelman, University of Chicago1
- E. Herz2
- ERPI Classroom Films, Inc.1
- Elbert C. Weaver1