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- Unknown18
- Encyclopaedia Britannica Films Inc.12
- Encyclopaedia Britannica Films8
- Emerson Film Corporation7
- Erpi Classroom Films Inc.5
- Clifford J. Kamen Productions3
- Erpi Classroom Films, Inc.3
- See Other Contributors3
- William F. Deneen3
- Encyclopaedia Britannica Films, inc.2
- John Barnes2
- John T. Bobbitt2
- O. W. Eshbach2
- Ray A. Billington2
- S. Ralph Powers2
- Warren P. Everote2
- Alpheus Thomas Mason1
- Amateur Athletic Union of the United States1
- Arthur S. Alberts1
- Bogdan Zaborski1