The Experiment: 1942 May 1942. Ames, Iowa. "Conducting diet and nutrition experiments on rats in the animal laboratory of the home economics department at Iowa State College." Acetate negative by Jack Delano for the U.S. Office of the Coordinator of Information.

The Experiment: 1942 May 1942. Ames, Iowa. "Conducting diet and nutrition experiments on rats in the animal laboratory of the home economics department at Iowa State College." Acetate negative by Jack Delano for the U.S. Office of the Coordinator of Information.