1. Letter from Aaron Klug to Francis Crick Publication: Produced: 18 September 1979 Subject(s): Crystallography, X-RayDNA Archival Collection: The Francis Crick Papers (Profiles in Science)
2. Letter from Aaron Klug to Francis Crick Publication: Produced: 31 May 1977 Subject(s): DNANucleosomesCrystallography, X-Ray Archival Collection: The Francis Crick Papers (Profiles in Science)
3. Letter from Aaron Klug to Francis Crick Publication: Produced: 6 April 1977 Subject(s): DNANucleosomesCrystallography, X-Ray Archival Collection: The Francis Crick Papers (Profiles in Science)
4. Letter from Aaron Klug to Francis Crick Publication: Produced: 12 May 1976 Subject(s): DNAChromatinCrystallography, X-Ray Archival Collection: The Francis Crick Papers (Profiles in Science)