1. 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)
2. Letter from Joshua Lederberg to Ellis Englesberg Publication: Produced: 15 February 1950 Subject(s): Education, GraduateGenetics, Microbial Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
3. Letter from Joshua Lederberg to Maclyn McCarty Publication: Produced: 31 December 1950 Subject(s): Genetics, MicrobialEducation, Graduate Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
