91. Letter from Werner K. Maas to Joshua Lederberg Publication: Produced: 16 April 1952 Subject(s): Cell Culture Techniques Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
92. Letter from Werner K. Maas to Joshua Lederberg Publication: Produced: 19 September 1952 Subject(s): Cell Culture TechniquesMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
93. Letter from Joshua Lederberg to Robert J. Mandle Publication: Produced: 9 June 1949 Subject(s): Cell Culture TechniquesGenetics, MicrobialMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
94. Letter from Robert J. Mandle to Joshua Lederberg Publication: Produced: 17 June 1949 Subject(s): Cell Culture TechniquesGenetics, MicrobialMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
95. Letter from Julius Marmur to Joshua Lederberg Publication: Produced: 14 February 1955 Subject(s): Cell Culture TechniquesRecombination, Genetic Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
96. Letter from Daniel J. McDonald to Joshua Lederberg Publication: Produced: 5 February 1954 Subject(s): Cell Culture Techniques Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
97. Letter from Ethel McNeil to Joshua Lederberg Publication: Produced: 8 May 1953 Subject(s): Cell Culture Techniques Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
98. Letter from Ethel McNeil to Joshua Lederberg Publication: Produced: 25 May 1953 Subject(s): Cell Culture Techniques Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
99. Letter from Joshua Lederberg to Ethel McNeil Publication: Produced: 17 September 1953 Subject(s): Cell Culture TechniquesTransduction, Genetic Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
100. Letter from Ilda McVeigh to Joshua Lederberg Publication: Produced: 4 November 1948 Subject(s): Cell Culture Techniques Archival Collection: The Joshua Lederberg Papers (Profiles in Science)