1. Letter from Joshua Lederberg to Gerry Lindegren Publication: Produced: 29 July 1946 Subject(s): Cell Culture TechniquesGenesMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
2. Letter from Joshua Lederberg to Salvador E. Luria Publication: Produced: 15 July 1946 Subject(s): Cell Culture TechniquesPreservation, BiologicalGenes Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
3. Letter from Werner K. Maas to Joshua Lederberg Publication: Produced: 3 July 1951 Subject(s): Cell Culture TechniquesGenes Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
4. Letter from Werner K. Maas to Joshua Lederberg Publication: Produced: 20 July 1951 Subject(s): Cell Culture TechniquesGenes Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
5. Letter from I. D. Michelson to Joshua Lederberg Publication: Produced: 26 January 1949 Subject(s): Cell Culture TechniquesGenesMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)