1331. Letter from Fred L. Soper to Dudley A. Reekie Publication: Produced: 16 September 1943 Subject(s): Typhus, Epidemic Louse-BorneCooperative BehaviorLice Infestations Archival Collection: The Fred L. Soper Papers (Profiles in Science)
1332. Letter from W. H. Crichton to D. Gordon Cheyne Publication: Produced: 23 December 1943 Subject(s): Typhus, Epidemic Louse-BorneAttitude of Health PersonnelOrganization and Administration Archival Collection: The Fred L. Soper Papers (Profiles in Science)
1333. Letter from W. H. Crichton to D. Gordon Cheyne Publication: Produced: 24 December 1943 Subject(s): Typhus, Epidemic Louse-BorneAttitude of Health PersonnelOrganization and Administration Archival Collection: The Fred L. Soper Papers (Profiles in Science)
1334. Letter from C.M.F. to C.G.S. Publication: Produced: 3 January 1944 Subject(s): Organization and AdministrationTyphus, Epidemic Louse-Borne Archival Collection: The Fred L. Soper Papers (Profiles in Science)
1335. Letter from Fred L. Soper to Wilbur A. Sawyer Publication: Produced: 7 February 1944 Subject(s): Typhus, Epidemic Louse-BorneCooperative BehaviorLice Infestations Archival Collection: The Fred L. Soper Papers (Profiles in Science)
1336. Letter from Lewis Hackett to Fred L. Soper Publication: Produced: 15 December 1939 Subject(s): Clothing Archival Collection: The Fred L. Soper Papers (Profiles in Science)
1337. Letter from Fred L. Soper to Lewis Hackett Publication: Produced: December 1939 Subject(s): Clothing Archival Collection: The Fred L. Soper Papers (Profiles in Science)
1338. Letter from Lewis Hackett to Fred L. Soper Publication: Produced: 12 October 1955 Subject(s): Financial SupportMosquito ControlYellow Fever Vaccine Archival Collection: The Fred L. Soper Papers (Profiles in Science)
1339. Letter from Fred L. Soper to Lewis Hackett Publication: Produced: 18 October 1955 Subject(s): Financial SupportMosquito ControlYellow Fever Vaccine Archival Collection: The Fred L. Soper Papers (Profiles in Science)
1340. Letter from Lewis Hackett to Fred L. Soper Publication: Produced: 9 March 1958 Subject(s): Lice InfestationsInsect Control Archival Collection: The Fred L. Soper Papers (Profiles in Science)
