1. Letter from Francis Crick to Ernst Mayr Publication: Produced: 21 April 1971 Subject(s): GeneticsIntelligenceContinental Population Groups Archival Collection: The Francis Crick Papers (Profiles in Science)
2. Letter from Ernst Mayr to Francis Crick Publication: Produced: 14 April 1971 Subject(s): GeneticsIntelligenceContinental Population Groups Archival Collection: The Francis Crick Papers (Profiles in Science)
3. Letter from Francis Crick to John T. Edsall, Fogarty International Center Publication: Produced: 22 February 1971 Subject(s): Continental Population GroupsIntelligence Archival Collection: The Francis Crick Papers (Profiles in Science)
