Titles
- Letter from Alexander Rich to Arthur Kornberg1
- Letter from Arthur Kornberg to H. George Mandel1
- Letter from Arthur Kornberg to Leon A. Heppel1
- Letter from Arthur Kornberg to Paul Englund1
- Letter from Arthur Kornberg to W. E. Cohn1
- Letter from Arthur Kornberg to William F. Dove1
- Letter from Barry Commoner to Rosalind Franklin1
- Letter from C. A. Knight to Rosalind Franklin1
- Letter from Daniel Nathans to Ernest Winocour1
- Letter from Donald L. D. Caspar to Rosalind Franklin1
- Letter from Ernest Winocour to Daniel Nathans1
- Letter from Francis Crick to Sol Spiegelman1
- Letter from H. George Mandel to Arthur Kornberg1
- Letter from Harold Varmus to Ian Macpherson, Imperial Cancer Research Fund Laboratories1
- Letter from Harold Varmus to Lloyd J. Old, Sloan-Kettering Institute for Cancer Research1
- Letter from Harold Varmus to Paul Neiman, Providence Hospital1
- Letter from Harold Varmus to Paul Neiman, University of Washington Department of Medicine1
- Letter from Kenneth Murray to Paul Berg1
- Letter from Marianne Grunberg-Manago to Paul Berg1
- Letter from Martin R. Pollock to Sol Spiegelman1