1. Letter from Wilbur A. Sawyer to Fred L. Soper Publication: Produced: 8 December 1942 Subject(s): IranLice InfestationsTyphus, Epidemic Louse-Borne Archival Collection: The Fred L. Soper Papers (Profiles in Science)
2. Letter from C. S. Stephenson to Wilbur A. Sawyer Publication: Produced: 9 December 1942 Subject(s): IranTyphus, Epidemic Louse-Borne Archival Collection: The Fred L. Soper Papers (Profiles in Science)
