1. Letter from Fred L. Soper to Pedro Galindo Publication: Produced: 24 May 1966 Subject(s): Yellow FeverFellowships and Scholarships Archival Collection: The Fred L. Soper Papers (Profiles in Science)
2. Letter from Pedro Galindo to Fred L. Soper Publication: Produced: 18 May 1966 Subject(s): Yellow FeverFellowships and ScholarshipsEducation, Graduate Archival Collection: The Fred L. Soper Papers (Profiles in Science)