1. Letter from Mary I. ("Polly") Bunting to Joshua Lederberg Publication: Produced: 29 August 1977 Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
2. Letter from Mary I. ("Polly") Bunting to Joshua Lederberg Publication: Produced: 23 October 1977 Archival Collection: The Joshua Lederberg Papers (Profiles in Science)