31. 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)
32. 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)
33. Excerpt from Fred Soper's first report as the Pan American Health Organization's director Publication: Pan-American Health Organization, 1950 Subject(s): World Health OrganizationPan American Health OrganizationOrganization and AdministrationFinancial SupportChild WelfareUnited NationsInternational CooperationBudgetsCommunicable Disease ControlGlobal Health Archival Collection: The Fred L. Soper Papers (Profiles in Science)
34. Agreement between the World Health Organization and Pan American Sanitary Organization Publication: Pan-American Health Organization, 1950 Subject(s): International CooperationOrganization and Administration Archival Collection: The Fred L. Soper Papers (Profiles in Science)
35. Excerpt from Fred Soper's diary Publication: Produced: [1 February-13 April 1959] Subject(s): Mosquito ControlMalariaEpidemiologyDisease Transmission, InfectiousOrganization and AdministrationCommunicable Disease Control Archival Collection: The Fred L. Soper Papers (Profiles in Science)
36. Excerpt from Fred Soper's diary Publication: Produced: [March-May 1961] Subject(s): International CooperationFinancial SupportOrganization and AdministrationVaccinesCholeraEquipment and Supplies Archival Collection: The Fred L. Soper Papers (Profiles in Science)
37. Excerpt from Fred Soper's diary Publication: Produced: [24 November-31 December 1960] Subject(s): Financial SupportOrganization and AdministrationCholeraCholera VaccinesEpidemiologyMalariaMosquito Control Archival Collection: The Fred L. Soper Papers (Profiles in Science)
38. Excerpt from Fred Soper's diary Publication: Produced: [26 February-1 July 1930] Subject(s): Yellow FeverOrganization and AdministrationMalariaDiagnosisMosquito Control Archival Collection: The Fred L. Soper Papers (Profiles in Science)
39. Excerpt from Fred Soper's diary Publication: Produced: [1 January-30 April 1928] Subject(s): Yellow FeverMosquito ControlBrazilOrganization and Administration Archival Collection: The Fred L. Soper Papers (Profiles in Science)
40. Administration is Essence of Eradication Publication: Produced: 13 May 1965 Subject(s): Communicable Disease ControlProgram DevelopmentOrganization and Administration Archival Collection: The Fred L. Soper Papers (Profiles in Science)
