81. Letter from Rosalind Franklin to H. Fraenkel-Conrat Publication: Produced: 16 May 1955 Subject(s): Tobacco Mosaic VirusX-Ray Diffraction Archival Collection: The Rosalind Franklin Papers (Profiles in Science)
82. Letter from Rosalind Franklin to H. Fraenkel-Conrat Publication: Produced: 15 September 1955 Subject(s): Tobacco Mosaic VirusX-Ray Diffraction Archival Collection: The Rosalind Franklin Papers (Profiles in Science)
83. Letter from Rosalind Franklin to H. Fraenkel-Conrat Publication: Produced: 1 November 1955 Subject(s): Tobacco Mosaic VirusX-Ray Diffraction Archival Collection: The Rosalind Franklin Papers (Profiles in Science)
84. Letter from Rosalind Franklin to H. Fraenkel-Conrat Publication: Produced: 7 January 1956 Subject(s): Tobacco Mosaic VirusX-Ray Diffraction Archival Collection: The Rosalind Franklin Papers (Profiles in Science)