1. Letter from James L. Sullivan, City Manager, City of Cambridge, Massachusetts to the Mayor and City Council Publication: Produced: 6 August 1976 Subject(s): Genetic ResearchRisk Assessment Archival Collection: The Maxine Singer Papers (Profiles in Science)
2. Letter from Vittorio Sgaramella to Maxine Singer Publication: Produced: 27 December 1976 Subject(s): Genetic ResearchRisk Management Archival Collection: The Maxine Singer Papers (Profiles in Science)
3. Letter from David S. Hogness to DeWitt Stetten, Jr Publication: Produced: 26 January 1977 Subject(s): DNA, RecombinantGenetic Research Archival Collection: The Maxine Singer Papers (Profiles in Science)
4. Letter from Roy Curtiss III to Donald S. Fredrickson Publication: Produced: 12 April 1977 Subject(s): DNA, RecombinantGenetic ResearchEscherichia coliRisk Management Archival Collection: The Maxine Singer Papers (Profiles in Science)
5. Letter from Joshua Lederberg to U.S. Senators Alan Cranston and Samuel Ichiye Hayakawa Publication: Produced: [ca. 9 June 1977] Subject(s): DNA, RecombinantGenetic ResearchRisk Management Archival Collection: The Maxine Singer Papers (Profiles in Science)
6. Letter from Roy Curtiss III to Donald S. Fredrickson Publication: Produced: 23 September 1978 Subject(s): DNA, RecombinantGuidelines as TopicGenetic ResearchRisk Management Archival Collection: The Maxine Singer Papers (Profiles in Science)
7. Letter from Maxine Singer to Kathleen K. Schmitz and Karl F. Johnson Publication: Produced: 27 November 1978 Subject(s): Genetic Research Archival Collection: The Maxine Singer Papers (Profiles in Science)