1. Letter from Francis Crick to James D. Watson Publication: Produced: 13 April 1967 Subject(s): DNAWritingEthics, Professional Archival Collection: The Francis Crick Papers (Profiles in Science)
2. Letter from Francis Crick to James D. Watson Publication: Produced: 10 October 1966 Subject(s): DNAEthics, ProfessionalWriting Archival Collection: The Francis Crick Papers (Profiles in Science)
3. Letter from Francis Crick to James D. Watson (and notes concerning Watson's book, "The Double Helix") Publication: Produced: 31 March 1966 Subject(s): DNAEthics, ProfessionalWriting Archival Collection: The Francis Crick Papers (Profiles in Science)
4. Letter from James D. Watson to Francis Crick Publication: Produced: 17 March 1966 Subject(s): DNAEthics, ProfessionalWriting Archival Collection: The Francis Crick Papers (Profiles in Science)
