11. Isolation and Characterization of Biochemical Mutants of Bacteria Publication: Year Book Medical Publishers, 1950 Subject(s): Growth SubstancesGenesMutation Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
12. Recombination Analysis of Bacterial Heredity Publication: Cold Spring Harbor Laboratory. Press, 1951 Subject(s): Recombination, GeneticMutationGenesGenetics, MicrobialExtrachromosomal Inheritance Archival Collection: The Joshua Lederberg Papers (Profiles in Science)