41. Letter from Carsten Bresch to Joshua Lederberg Publication: Produced: 6 April 1955 Subject(s): BacteriophagesGenetics Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
42. The Substructure of Genes Publication: John Wiley & Sons, 1959 Subject(s): BacteriophagesGeneticsDNAMutation Archival Collection: The Christian B. Anfinsen Papers (Profiles in Science)
43. Genes as Determinants of Protein Structure Publication: John Wiley & Sons, 1959 Subject(s): DNABacteriophagesBase SequenceGenes Archival Collection: The Christian B. Anfinsen Papers (Profiles in Science)
44. Letter from A. D. Hershey to Michael Heidelberger Publication: Produced: [10 April 1941] Subject(s): Antigen-Antibody ReactionsBacteriophagesKinetics Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
45. Letter from Michael Heidelberger to A. D. Hershey Publication: Produced: 28 April 1941 Subject(s): Antigen-Antibody ReactionsBacteriophagesKinetics Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
46. Letter from A. D. Hershey to Michael Heidelberger Publication: Produced: 1 May 1941 Subject(s): Antigen-Antibody ReactionsBacteriophagesKinetics Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
47. Letter from Michael Heidelberger to A. D. Hershey Publication: Produced: 28 July 1942 Subject(s): Antigen-Antibody ReactionsBacteriophagesKinetics Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
48. Letter from A. D. Hershey to Michael Heidelberger Publication: Produced: 4 August 1942 Subject(s): Antigen-Antibody ReactionsBacteriophagesKinetics Archival Collection: The Michael Heidelberger Papers (Profiles in Science)
49. Letter from Joshua Lederberg to A. H. Doermann Publication: Produced: 12 April 1949 Subject(s): Bacteriophages Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
50. Letter from Edwin S. Lennox to Joshua Lederberg Publication: Produced: 21 September 1954 Subject(s): BacteriophagesGenetics, MicrobialResearch Archival Collection: The Joshua Lederberg Papers (Profiles in Science)