- Letter from Daniel Nathans to Aaron J. Shatkin1
- Letter from Daniel Nathans to Wallace P. Rowe1
- Letter from Edward M. Kennedy and Jacob K. Javits, United States Senate to President Gerald R. Ford1
- Letter from Edward M. Kennedy, United States Senate Committee on Labor and Public Welfare to Donald S. Fredrickson1
- Letter from Harold Varmus to Donald S. Fredrickson, National Institutes of Health1
- Letter from Maurice R. Hilleman to Paul Berg1
- Letter from Maxine Singer to Francesco Blasi1
- Letter from Maxine Singer to Wallace P. Rowe1
- Letter from Robert L. Sinsheimer to Karim Ahmed, Natural Resources Defense Council1
- Letter from Roy Curtiss III to Donald S. Fredrickson1
- Letter from Roy Curtiss III to Maxine Singer1
- Letter from Stanley N. Cohen to Donald S. Fredrickson1
- Letter from Stanley N. Cohen to Maxine Singer1
- Letter from Wallace P. Rowe to Maxine Singer1
- Memorandum from Allen Silverstone to the Advisory Committee on the Guidelines for Recombinant DNA1
- Memorandum from Harold Varmus to Keith Hadley, Campus Biosafety Committee, University of California, San Francisco1
- Memorandum from Herbert B. Pahl to all coordinators, grantees, and members of the National Advisory Council on Regional Medical Programs, and members of the RMP review committees1
- Memorandum from Maxine Singer to Donald S. Fredrickson1
- Memorandum from Maxine Singer to Paul Berg, David Baltimore, Sydney Brenner, and Richard O. Roblin on the latest draft of the Asilomar Reports1
- Memorandum from Paul Berg to the Organizing Committee for the Asilomar Conference on Recombinant DNA Molecules1