1. Letter from Joshua Lederberg to B. Wesley Catlin Publication: Produced: 28 June 1951 Subject(s): Cell Culture TechniquesGenetics, MicrobialSerology Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
2. Letter from Joshua Lederberg to David M. Bonner Publication: Produced: 25 November 1949 Subject(s): Serology Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
3. Letter from David M. Bonner to Joshua Lederberg Publication: Produced: 23 November 1949 Subject(s): Escherichia coliResearchSerology Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
4. Letter from Michael Heidelberger to Jacques J. Bronfenbrenner, Washington University School of Medicine Publication: Produced: 29 October 1943 Subject(s): AntibodiesSerology Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
5. Letter from Jacques J. Bronfenbrenner, Washington University School of Medicine to Michael Heidelberger Publication: Produced: 8 November 1943 Subject(s): AntibodiesSerology Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
6. Letter from D. Carleton Gajdusek, The Children's Hospital (Cincinnati, Ohio) to Michael Heidelberger Publication: Produced: 28 February 1948 Subject(s): Complement System ProteinsSerology Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
7. Letter from D. Carleton Gajdusek, The Children's Hospital (Cincinnati, Ohio) to Michael Heidelberger Publication: Produced: 23 March 1948 Subject(s): Complement System ProteinsSerology Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
8. Letter from Michael Heidelberger to D. Carleton Gajdusek, The Children's Hospital (Cincinnati, Ohio) Publication: Produced: 29 March 1948 Subject(s): Complement System ProteinsSerology Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
9. Letter from Joshua Lederberg to P. R. Edwards Publication: Produced: 13 June 1950 Subject(s): Cell Culture TechniquesRecombination, GeneticSerology Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
10. Letter from Joshua Lederberg to Gertud E. Mislap Publication: Produced: 1952 Subject(s): Cell Culture TechniquesSerology Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
