51. Letter from Donald L. D. Caspar to Rosalind Franklin Publication: Produced: [1956] Subject(s): Tobacco Mosaic VirusRNA Archival Collection: The Rosalind Franklin Papers (Profiles in Science)
52. Letter from C. A. Knight to Rosalind Franklin Publication: Produced: 11 January 1955 Subject(s): Tobacco Mosaic VirusRNA Archival Collection: The Rosalind Franklin Papers (Profiles in Science)
53. Letter from Robley Williams to Rosalind Franklin Publication: Produced: 2 August 1955 Subject(s): Tobacco Mosaic VirusRNAX-Ray Diffraction Archival Collection: The Rosalind Franklin Papers (Profiles in Science)
54. Letter from Robley Williams to Rosalind Franklin Publication: Produced: 10 October 1955 Subject(s): Tobacco Mosaic VirusRNA Archival Collection: The Rosalind Franklin Papers (Profiles in Science)
55. Letter from Rosalind Franklin to Barry Commoner Publication: Produced: 8 November 1954 Subject(s): Tobacco Mosaic VirusRNAX-Ray Diffraction Archival Collection: The Rosalind Franklin Papers (Profiles in Science)
56. Letter from Rosalind Franklin to Barry Commoner Publication: Produced: 11 January 1955 Subject(s): Tobacco Mosaic VirusRNAX-Ray Diffraction Archival Collection: The Rosalind Franklin Papers (Profiles in Science)
57. Letter from Rosalind Franklin to Barry Commoner Publication: Produced: 28 February 1955 Subject(s): Tobacco Mosaic VirusRNAX-Ray Diffraction Archival Collection: The Rosalind Franklin Papers (Profiles in Science)
58. Letter from Rosalind Franklin to Barry Commoner Publication: Produced: 4 March 1955 Subject(s): Tobacco Mosaic VirusRNAX-Ray Diffraction Archival Collection: The Rosalind Franklin Papers (Profiles in Science)
59. Letter from Rosalind Franklin to Barry Commoner Publication: Produced: 27 April 1955 Subject(s): Tobacco Mosaic VirusRNA Archival Collection: The Rosalind Franklin Papers (Profiles in Science)
60. Letter from Rosalind Franklin to James D. Watson Publication: Produced: 7 March 1955 Subject(s): Tobacco Mosaic VirusRNA Archival Collection: The Rosalind Franklin Papers (Profiles in Science)