Titles
- Letter from Aaron M. Altschul to Joshua Lederberg2
- Letter from Davis B. Bobrow to Joshua Lederberg2
- Letter from Edward A. Adelberg to Joshua Lederberg2
- Letter from James F. Crow to Joshua Lederberg2
- Letter from Joshua Lederberg to Charles Gubser2
- Letter from Joshua Lederberg to Davis B. Bobrow2
- Letter from Joshua Lederberg to Gaylord Nelson2
- Letter from Joshua Lederberg to Haskell F. Norman, San Francisco Psychoanalytic Institute2
- Letter from Joshua Lederberg to Helen (Spurway) Haldane2
- Letter from Joshua Lederberg to Jesse Unruh2
- Letter from Joshua Lederberg to Matthias Wegner, Christian Wegner Verlag Hamburg2
- Letter from Joshua Lederberg to Maurice B. Visscher2
- Letter from Joshua Lederberg to Orio Ciferri2
- Letter from Joshua Lederberg to Orville G. Brim, Jr., Russell Sage Foundation2
- Letter from Joshua Lederberg to Philip Handler2
- Letter from Joshua Lederberg to Rudolf F. Vollman2
- Letter from Joshua Lederberg to Russell Wiggins, Washington Post2
- Letter from Ntinos C. Myrianthopoulos to Joshua Lederberg2
- Letter from Robert Q. Marston to Conference on Regional Medical Programs2
- Letter from Stanfield Rogers to Joshua Lederberg2