41. Letter from Marion Himes to Joshua Lederberg Publication: Produced: 21 September 1972 Subject(s): History of Medicine Archival Collection: The Oswald T. Avery Collection (Profiles in Science)
42. Letter from David Perkins to Joshua Lederberg Publication: Produced: 15 September 1972 Subject(s): Transformation, GeneticHistory of Medicine Archival Collection: The Oswald T. Avery Collection (Profiles in Science)
43. Letter from Joshua Lederberg to Boris Ephrussi Publication: Produced: 5 October 1972 Subject(s): Transformation, GeneticHistory of Medicine Archival Collection: The Oswald T. Avery Collection (Profiles in Science)
44. Letter from Joshua Lederberg to Arnold W. Ravin Publication: Produced: 6 October 1972 Subject(s): Transformation, GeneticHistory of Medicine Archival Collection: The Oswald T. Avery Collection (Profiles in Science)
45. Letter from Joshua Lederberg to Alfred E. Mirsky Publication: Produced: 2 November 1972 Subject(s): History of Medicine Archival Collection: The Oswald T. Avery Collection (Profiles in Science)
46. Letter from Bernard D. Davis to Joshua Lederberg Publication: Produced: 6 October 1972 Subject(s): Transformation, GeneticHistory of Medicine Archival Collection: The Oswald T. Avery Collection (Profiles in Science)
47. Meetings - History of Biochemistry and Molecular Biology Publication: American Association for the Advancement of Science, 16 October 1970 Subject(s): History of MedicineArchives Archival Collection: The Oswald T. Avery Collection (Profiles in Science)
48. Letter from Joshua Lederberg to Arnold W. Ravin Publication: Produced: 30 September 1972 Subject(s): History of Medicine Archival Collection: The Oswald T. Avery Collection (Profiles in Science)
49. Letter from Joshua Lederberg to Rollin D. Hotchkiss Publication: Produced: 6 October 1972 Subject(s): Transformation, GeneticDNA, BacterialHistory of Medicine Archival Collection: The Oswald T. Avery Collection (Profiles in Science)
50. Letter from Joshua Lederberg to L. C. Dunn Publication: Produced: 11 October 1972 Subject(s): Recombination, GeneticHistory of Medicine Archival Collection: The Oswald T. Avery Collection (Profiles in Science)