Titles
- Letter from Joshua Lederberg to Norton D. Zinder33
- Letter from Norman H. Horowitz to Joshua Lederberg33
- Letter from B. A. D. Stocker to Joshua Lederberg32
- Letter from George W. Beadle to Joshua Lederberg32
- Letter from Joshua Lederberg to James F. Crow31
- Letter from Joshua Lederberg to Francis J. Ryan30
- [Fredrickson fifth "science deputy" coffee]30
- Letter from Barton Childs to Joshua Lederberg29
- Letter from Edward L. Tatum to Joshua Lederberg28
- Letter from William Hayes to Joshua Lederberg28
- [Fredrickson second "science deputy" coffee]28
- Letter from John A. Moore to Joshua Lederberg27
- Letter from Joshua Lederberg to G. A. Derbyshire27
- Letter from Orio Ciferri to Joshua Lederberg27
- Letter from James F. Crow to Joshua Lederberg26
- Letter from Werner Braun to Joshua Lederberg25
- [Dedication ceremonies for Buildings 36 and 37]25
- Letter from G. J. V. Nossal, Walter & Eliza Hall Institute of Medical Research to Joshua Lederberg24
- Letter from Joshua Lederberg to Kimball Atwood24
- Letter from William Hayes to Luca Cavalli-Sforza24