1. Letter from J. Michael Bishop to colleagues at the UCSF School of Medicine Creator: University of California, San Francisco. School of MedicineBishop, J. Michael Date: 24 May 1983 Genre: Letters (correspondence)
2. Letter from Jay A. Levy, University of California, San Francisco School of Medicine to Harold Varmus Creator: Levy, Jay A.University of California, San Francisco. School of Medicine Date: 10 May 1985 Genre: Letters (correspondence)
3. Letter from Jay A. Levy, University of California, San Francisco School of Medicine to Harold Varmus Creator: Levy, Jay A.University of California, San Francisco. School of Medicine Date: 25 November 1985 Genre: Letters (correspondence)
4. Letter from Jay A. Levy, University of California, San Francisco School of Medicine to Harold Varmus Creator: Levy, Jay A.University of California, San Francisco. School of Medicine Date: 23 July 1985 Genre: Letters (correspondence)