1. Letter from Joshua Lederberg to Seymour Lederberg Publication: Produced: 27 April 1949 Subject(s): MutationUltraviolet RaysMentors Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
2. Letter from Margaret Lieb to Joshua Lederberg Publication: Produced: 29 October 1950 Subject(s): Ultraviolet Rays Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
3. Letter from Joshua Lederberg to Margaret Lieb Publication: Produced: 31 October 1950 Subject(s): Fellowships and ScholarshipsRadiation GeneticsUltraviolet Rays Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
4. Letter from Margaret Lieb to Joshua Lederberg Publication: Produced: 9 November 1950 Subject(s): Ultraviolet Rays Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
5. Letter from Joshua Lederberg to Salvador E. Luria Publication: Produced: 7 January 1953 Subject(s): Transduction, GeneticUltraviolet Rays Archival Collection: The Joshua Lederberg Papers (Profiles in Science)