1. Letter from Einar Leifson to Joshua Lederberg Publication: Produced: 3 June 1955 Subject(s): Cell Culture TechniquesFlagellaGenetics, Microbial Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
2. Letter from Joshua Lederberg to Einar Leifson Publication: Produced: 7 June 1955 Subject(s): Cell Culture TechniquesFlagellaGenetics, Microbial Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
3. Letter from Einar Leifson to Joshua Lederberg Publication: Produced: 16 August 1955 Subject(s): Cell Culture TechniquesFlagellaBacteria Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
4. Letter from Einar Leifson to Joshua Lederberg Publication: Produced: 16 August 1955 Subject(s): BacteriaCell Culture TechniquesFlagella Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
5. Letter from Joshua Lederberg to Einar Leifson Publication: Produced: 11 September 1955 Subject(s): Cell Culture TechniquesFlagellaResearch Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
6. Letter from Joshua Lederberg to Alice Moran Publication: Produced: 17 April 1952 Subject(s): Cell Culture TechniquesFlagellaGenetics, Microbial Archival Collection: The Joshua Lederberg Papers (Profiles in Science)