1. 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)
2. Excerpt from Fred Soper's diary Publication: Produced: [27 June-30 October 1961] Subject(s): International CooperationFinancial SupportCholeraAwards and PrizesVaccines Archival Collection: The Fred L. Soper Papers (Profiles in Science)
3. Excerpt from Fred Soper's diary Publication: Produced: [1 May-27 July 1929] Subject(s): Yellow FeverBrazilInternational CooperationEpidemiologyFinancial SupportDiagnosisMosquito Control Archival Collection: The Fred L. Soper Papers (Profiles in Science)
