1. Letter from L. H. Gray to Rosalind Franklin Publication: Produced: 25 February 1957 Subject(s): Tobacco Mosaic VirusCrystallography, X-Ray Archival Collection: The Rosalind Franklin Papers (Profiles in Science)
2. Letter from L. H. Gray to Rosalind Franklin Publication: Produced: 20 March 1957 Subject(s): Tobacco Mosaic VirusCrystallography, X-Ray Archival Collection: The Rosalind Franklin Papers (Profiles in Science)
3. Letter from Rosalind Franklin to James D. Watson Publication: Produced: 10 June 1955 Subject(s): Tobacco Mosaic VirusRNACrystallography, X-Ray Archival Collection: The Rosalind Franklin Papers (Profiles in Science)
4. Letter from Rosalind Franklin to Dorothy Wrinch Publication: Produced: 26 May 1955 Subject(s): Tobacco Mosaic VirusDNACrystallography, X-RayX-Ray Diffraction Archival Collection: The Rosalind Franklin Papers (Profiles in Science)