Main contributor
- Beatrice Foods1
- Ben Schiller1
- Bob Loweree1
- Breyer's1
- Britt, Jim, 1910-19801
- Brundige, Bill1
- Bryn J. Hovde1
- Bugles1
- Carl Sandburg1
- Carling Brewing Company1
- Casper J. Kraemer1
- Chesson, Alex1
- Citizens for Clean Air1
- Clio Awards Collection1
- Dan E. Clark1
- David N. Baker1
- Doris Ann1
- E. S. Keller1
- Edward Stanley1
- Encyclopaedia Britanica Films Inc.1