Correspondence files concern journal articles and manuscripts, plans for sabbatical and conference attendance, and departmental matters. Some of these correspondence files are restricted. Correspondence is arranged chronologically. Of note in this series is correspondence with colleagues at Harvard Medical School, Cold Spring Harbor Laboratory, the National Cancer Institute, and the Passano Foundation; with UCSF colleagues such as J. Michael Bishop and Keith R. Yamamoto; as well as individuals such as Peter K. Vogt, Robert Gallo, (National Institutes of Health), Salvador E. Luria, and scientists in the United Kingdom and the Former Soviet Union.