Titles
- 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
- Letter from Joshua Lederberg to Dean B. Cowie10
- Letter from Joshua Lederberg to Frank Stodola10
- Letter from Joshua Lederberg to Lawrence L. Weed10
- Letter from Joshua Lederberg to Werner K. Maas10
- Letter from Joshua Lederberg to Wilson S. Stone10
- Letter from L. L. Waters to Joshua Lederberg10
- Letter from Lawrence Kolb to Carleton Simon10