1. Letter from Peter Bentvelzen, Radiobiological Institute of the Organization for Health Research (The Netherlands) to Harold Varmus

Date:

22 August 1975

2. Letter from Harold Varmus to Salvador E. Luria

Date:

21 October 1975

3. Letter from Harold Varmus to Roel Nusse

Date:

[28 March 1979]

4. Letter from Harold Varmus to Lloyd J. Old, Sloan-Kettering Institute for Cancer Research

Date:

2 June 1972

5. Excerpt from UCSF School of Medicine's Department of Biochemistry and Biophysics' 1989-1990 Annual Report

Date:

[1990]

6. Letter from Harold Varmus to Don Robertson, Washington University

Date:

1 April 1976

7. Letter from Harold Varmus to Mike Fried, Imperial Cancer Research Fund Laboratories

Date:

11 July 1977

8. Letter from Harold Varmus to Peter Bentvelzen, Radiobiological Institute of the Organization for Health Research (The Netherlands)

Date:

9 September 1975

9. Letter from Mike Fried, Imperial Cancer Research Fund Laboratories to Harold Varmus

Date:

2 August 1977

10. Oncogenesis without Viral Oncogenes by Avian Leukosis and Mouse Mammary Tumor Viruses

Date:

[ca. March 1983]