1. Letter from Virginia Apgar to Joan Dunkelberger Publication: Produced: 14 June 1973 Subject(s): Learning DisordersRadiation Archival Collection: The Virginia Apgar Papers (Profiles in Science)
2. Letter from Joan Dunkelberger to Virginia Apgar Publication: Produced: 11 April 1973 Subject(s): Learning DisordersRadiation Archival Collection: The Virginia Apgar Papers (Profiles in Science)
3. Letter from Raymond L. Latarjet to Joshua Lederberg Publication: Produced: 8 December 1949 Subject(s): Cell Culture TechniquesMutationRadiation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
4. Letter from Raymond L. Latarjet to Joshua Lederberg Publication: Produced: 25 April 1950 Subject(s): Cooperative BehaviorRadiation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
5. Letter from Raymond L. Latarjet to Esther Lederberg Publication: Produced: 4 December 1951 Subject(s): LysogenyRadiationResearch Design Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
6. Letter from Harold Varmus to John Garamendi, California State Senate Publication: Produced: 8 July 1987 Subject(s): RadiationGovernment Regulation Archival Collection: The Harold Varmus Papers (Profiles in Science)