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)