Main contributor
- Encyclopaedia Britannica1
- Indiana U Instructional Support Services1
- Keech, Kelvin, 1895-19771
- Kenneth Richter : camera 1
- Knox, Gordon, 1906-19921
- Margaret T. Cussler1
- Mary L. DeGive1
- National Film Board of Canada1
- National Film Board of Canada 1
- New York Zoological Society1
- R.H. Macy and Company, Inc.1
- Ralph E. Gray, A.C.L. : photographed and produced by1
- Rotha, Paul, 1907-1984.1
- Shane, Maxwell, 1905-19831
- Soviet War News Film Agency1
- Stewart, James, 1908-19971
- The National Geographic Society1
- The Office of War Information Bureau of Motion Pictures1
- The Office of War Information Bureau of Motion Pictures; Samuel Spewack1
- The War Department Special Service Division; The Signal Corps1