Titles
- Letter from Edward A. Adelberg to Joshua Lederberg2
- Letter from Edward L. Tatum to David Rockefeller1
- Letter from Edwin W. Amyes to Joshua Lederberg1
- Letter from Elliott C. Levinthal to Harold Brown, Pentagon1
- Letter from Emile Zuckerkandl to Joshua Lederberg1
- Letter from Erwin Friedman, Jewish Foundation for Retarded Children, Inc. to Joshua Lederberg1
- Letter from Eugene Garfield to The Philadelphia Inquirer1
- Letter from Francis Crick to C. H. Waddington1
- Letter from Francis Crick to H. Gobind Khorana1
- Letter from Francis Crick to Jacques Monod1
- Letter from Francis Crick to James D. Watson1
- Letter from Francis Crick to Lawrence Bragg1
- Letter from Francis Crick to Maurice Wilkins1
- Letter from Francis Crick to Paul Doty1
- Letter from Francis Crick to Severo Ochoa1
- Letter from Francis Crick to Sewell Champe1
- Letter from Francis Crick to Warren Weaver1
- Letter from Francis Moore to Henry Swan1
- Letter from Frank J. Ayd, Jr. to Marshall W. Nirenberg1
- Letter from Frank Koch to Joshua Lederberg1