Titles
- Letter from Ruggero Ceppellini to Joshua Lederberg11
- Letter from Sydney D. Rubbo to Joshua Lederberg11
- Letter from Wilson S. Stone to Joshua Lederberg11
- Postcard from Salvador E. Luria to Joshua Lederberg11
- [SUMEX annual report] (pages 51-75)11
- Cytochemical Studies of Planetary Microorganisms: Explorations in Exobiology10
- Health Resources Planning meeting [minutes]10
- Letter from Alain Bussard to Joshua Lederberg10
- Letter from C. C. Lindegren to Joshua Lederberg10
- Letter from Carleton Simon to Lawrence Kolb10
- Letter from D. H. Wenrich to Joshua Lederberg10
- Letter from David L. Nanney to Joshua Lederberg10
- Letter from David Perkins to Joshua Lederberg10
- Letter from Edward L. Tatum to George W. Beadle10
- Letter from Frits and Ida Orskov to Joshua Lederberg10
- Letter from G. J. V. Nossal to Joshua Lederberg10
- Letter from Gaylord Nelson to Joshua Lederberg10
- Letter from John Burton Sanderson Haldane to Joshua Lederberg10
- Letter from John R. Platt to Joshua Lederberg10
- Letter from Joshua Lederberg to Curt Stern10