Titles
- Letter from Barbara J. Bachmann to Joshua Lederberg2
- Letter from Dorothy T. Krieger to Joshua Lederberg2
- Letter from Frank E. Young to Joshua Lederberg2
- Letter from Frederick Seitz to Joshua Lederberg2
- Letter from G. J. V. Nossal to Joshua Lederberg2
- Letter from Gerald E. Gaull to Attallah Kappas, Rockefeller University Hospital2
- Letter from James B. Hunt, Jr. to Joshua Lederberg2
- Letter from James Gutmann to Joshua Lederberg2
- Letter from Jerald S. Feitelson to Joshua Lederberg2
- Letter from Joshua Lederberg to Alan Garen2
- Letter from Joshua Lederberg to Attallah Kappas2
- Letter from Joshua Lederberg to Bernice T. Eiduson2
- Letter from Joshua Lederberg to Clayton Rich2
- Letter from Joshua Lederberg to G. J. V. Nossal, Walter & Eliza Hall Institute of Medical Research2
- Letter from Joshua Lederberg to Gaylord Nelson2
- Letter from Joshua Lederberg to John Z. Bowers, Josiah Macy, Jr. Foundation2
- Letter from Joshua Lederberg to Kenneth S. Warren2
- Letter from Joshua Lederberg to Marvin L. Goldberger2
- Letter from Joshua Lederberg to Nelson A Rockefeller2
- Letter from Joshua Lederberg to Orio Ciferri2