1. Letter from Francis Crick to Rosalind Franklin Publication: Produced: 3 June 1955 Subject(s): Tobacco Mosaic VirusRNAPotexvirus Archival Collection: The Rosalind Franklin Papers (Profiles in Science)
2. Letter from Aaron Klug to F. C. Bawden Publication: Produced: 30 April 1958 Subject(s): Tobacco Mosaic VirusRNAPotexvirus Archival Collection: The Rosalind Franklin Papers (Profiles in Science)