1. Letter from Gardner Middlebrook to Joshua Lederberg Publication: Produced: 1 April 1954 Subject(s): Drug Resistance, MicrobialMutationGenetics, Microbial Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
2. Introduction from "Papers in Microbial Genetics: Bacteria and Bacterial Viruses" Publication: The University of Wisconsin Press, 1951 Subject(s): Genetics, MicrobialMutationDrug Resistance, MicrobialTransformation, Bacterial Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
3. Indirect Selection and the Origin of Resistance Publication: J. & A. Churchill Ltd., 1957 Subject(s): Genetics, MicrobialDrug Resistance, MicrobialMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)