1. Letter from Harold Varmus to Ian Macpherson, Imperial Cancer Research Fund Laboratories Publication: Produced: 24 April 1973 Subject(s): DNAAvian Sarcoma VirusesRNA Archival Collection: The Harold Varmus Papers (Profiles in Science)
2. Letter from Harold Varmus to David Boettiger, Imperial Cancer Research Fund Laboratories Publication: Produced: 11 June 1974 Subject(s): DNAAvian Sarcoma Viruses Archival Collection: The Harold Varmus Papers (Profiles in Science)
3. Integration of Deoxyribonucleic Acid Specific for Rous Sarcoma Virus after Infection of Permissive and Nonpermissive Hosts Publication: National Academy of Sciences (U.S.), November 1973 Subject(s): RetroviridaeAvian Sarcoma VirusesDNA Archival Collection: The Harold Varmus Papers (Profiles in Science)
4. Nucleotide Sequences Related to the Transforming Gene of Avian Sarcoma Virus are Present in DNA of Uninfected Vertebrates Publication: National Academy of Sciences (U.S.), September 1978 Subject(s): Avian Sarcoma VirusesDNATransformation, Genetic Archival Collection: The Harold Varmus Papers (Profiles in Science)
