51. Letter from Joshua Lederberg to Cy Levinthal Publication: Produced: 13 January 1954 Subject(s): BacteriophagesChromosomes, BacterialMicroscopy Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
52. Letter from Joshua Lederberg to Kaare Lilleengen Publication: Produced: 11 October 1949 Subject(s): BacteriophagesCell Culture Techniques Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
53. Letter from Joshua Lederberg to Salvador E. Luria Publication: Produced: 30 July 1946 Subject(s): BacteriophagesResearch Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
54. Letter from Salvador E. Luria to Joshua Lederberg Publication: Produced: 2 August 1946 Subject(s): BacteriophagesCell Culture TechniquesGenetics, Microbial Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
55. Letter from Joshua Lederberg to Salvador E. Luria Publication: Produced: 3 August 1946 Subject(s): BacteriophagesGenetics, Microbial Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
56. Letter from Joshua Lederberg to Salvador E. Luria Publication: Produced: 13 January 1947 Subject(s): BacteriophagesMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
57. Letter from Salvador E. Luria to Joshua Lederberg Publication: Produced: 12 December 1947 Subject(s): BacteriophagesMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
58. Letter from Leo Szilard to Salvador E. Luria Publication: Produced: 1 June 1948 Subject(s): BacteriophagesRecombination, Genetic Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
59. Letter from Joshua Lederberg to Kenneth Mather Publication: Produced: 16 May 1947 Subject(s): BacteriophagesGenetics, MicrobialMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
60. Letter from Joshua Lederberg to Robert S. Breed, Bergey's Manual Publication: Produced: 30 December 1950 Subject(s): Bacteriophages Archival Collection: The Joshua Lederberg Papers (Profiles in Science)