21. Acquisition of M Protein by Pneumococci through Transformation Reactions Publication: Rockefeller University. Press, 1 April 1949 Subject(s): Research DesignTransformation, Bacterial Archival Collection: The Oswald T. Avery Collection (Profiles in Science)
22. Oswald T. Avery Publication: Produced: [ca. 1947] Subject(s): Streptococcus pneumoniaeBacterial Typing TechniquesTransformation, Bacterial Archival Collection: The Oswald T. Avery Collection (Profiles in Science)
23. Letter from Joshua Lederberg to Barbara McClintock Publication: Produced: 4 October 1948 Subject(s): Genetics, MicrobialRecombination, GeneticTransformation, Bacterial Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
24. Gene Recombination in the Bacterium Escherichia coli Publication: American Society for Microbiology, June 1947 Subject(s): Recombination, GeneticTransformation, BacterialGenes Archival Collection: The Joshua Lederberg Papers (Profiles in Science)