Titles
- Letter from Arthur Kornberg to H. George Mandel1
- Letter from Daniel Nathans to Ernest Winocour1
- Letter from Ernest Winocour to Daniel Nathans1
- Letter from H. George Mandel to Arthur Kornberg1
- Letter from Kenneth Murray to Paul Berg1
- Letter from Murray J. Fraser to Paul Berg1
- Letter from Paul Berg to Fred H. Bergmann1
- Letter from Paul Berg to Hans G. Boman1
- Letter from Paul Berg to Julian B. Fleischman1
- Letter from Paul Berg to Leon A. Heppel1
- Letter from Paul Berg to Robert Langridge1
- Letter from Paul Berg to Ulf Lagerkvist1
- Letter from Robert L. Sinsheimer to Paul Berg1
- Letter from Robert Langridge to Paul Berg1
- Letter from Salvador E. Luria to Sol Spiegelman1
- Letter from Severo Ochoa to Arthur Kornberg1
- Letter from Sol Spiegelman to Francis Crick1
- Letter from Sol Spiegelman to Roy H. Doi1
- Letter from Sol Spiegelman to Ruth Ben-Ishai1
- Letter from Sol Spiegelman to Salvador E. Luria1