Titles
- Addendum: Directory of Regional Medical Programs: revised as of June 4, 19692
- Biological Warfare and the Extinction of Man2
- Cytochemical Studies of Planetary Microorganisms: Explorations in Exobiology2
- Directory of Regional Medical Programs: revised as of June 4, 1969 to include all approved operational projects and program data2
- Genetic Versus Neural Information Processing Systems2
- Letter from Albert J. Lipson to Joshua Lederberg2
- Letter from Alexander Bodi, Palo Alto Times to Joshua Lederberg2
- Letter from Alfred E. Mirsky to L. C. Dunn2
- Letter from Alvin Silverstein to Joshua Lederberg2
- Letter from David Perlman to Joshua Lederberg2
- Letter from E. Winslow Turner to Joshua Lederberg2
- Letter from Eugene P. Wigner to Joshua Lederberg2
- Letter from Francis Crick to Francois Gros2
- Letter from Francis Crick to George D. Pappas2
- Letter from Francis Crick to H. Gobind Khorana2
- Letter from Francis Crick to William Shockley2
- Letter from G. J. V. Nossal, Walter & Eliza Hall Institute of Medical Research to Joshua Lederberg2
- Letter from George A. Silver, Urban Coalition to Joshua Lederberg2
- Letter from George D. Pappas to Francis Crick2
- Letter from Glenn T. Seaborg, United States Atomic Energy Commission to Joshua Lederberg2