11. Letter from Harold Varmus to Mike Fried, Art, Herman and Nancy Quintrell Publication: Produced: [1978] Subject(s): Avian Sarcoma VirusesDNA, ViralRNA, Viral Archival Collection: The Harold Varmus Papers (Profiles in Science)
12. Letter from Harold Varmus to Roel Nusse Publication: Produced: [28 March 1979] Subject(s): Mammary Tumor Virus, MouseDNA, ViralRNA, Viral Archival Collection: The Harold Varmus Papers (Profiles in Science)
13. Letter from Harold Varmus to Howard Young, National Cancer Institute Publication: Produced: 28 August 1979 Subject(s): DNA, ViralAvian Sarcoma Viruses Archival Collection: The Harold Varmus Papers (Profiles in Science)
14. For the ICRF Annual Report, 1979: I. The Rare Revertants of an ASV-Transformed Rat Cell Have Lost Proviral DNA or Bear Mutations in SRC Publication: Produced: 1979 Subject(s): Avian Sarcoma VirusesDNA, Viral Archival Collection: The Harold Varmus Papers (Profiles in Science)
15. For the ICRF Annual Report, 1979: II. Retroviruses as Mutagens: Isolation of Revertants with Deletions and/or Insertions in the ASV Provirus in B31 Cells after Superinfection with MuLV Publication: Produced: 1979 Subject(s): Avian Sarcoma VirusesDNA, ViralMutagens Archival Collection: The Harold Varmus Papers (Profiles in Science)