21. Gene Control of B-galactosidase in Escherichia coli [Abstract] Publication: Genetics Society of America, 1948 Subject(s): Genetics, MicrobialMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
22. Letter from Max Delbruck to Joshua Lederberg Publication: Produced: 26 February 1948 Subject(s): Genetics, Microbial Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
23. Problems In Microbial Genetics Publication: Blackwell Scientific Publications, September 1948 Subject(s): Genetics, MicrobialMutationRecombination, GeneticTransformation, Genetic Archival Collection: The Joshua Lederberg Papers (Profiles in Science)