Titles
- Letter from Joshua Lederberg to Jacques Monod8
- Letter from Joshua Lederberg to James Bonner1
- Letter from Joshua Lederberg to Kaare Lilleengen2
- Letter from Joshua Lederberg to M. Demerec1
- Letter from Joshua Lederberg to Margaret Lieb1
- Letter from Joshua Lederberg to Marjorie Bohnhoff1
- Letter from Joshua Lederberg to Mary B. Mitchell1
- Letter from Joshua Lederberg to Melvin Cohn1
- Letter from Joshua Lederberg to Michael Doudoroff1
- Letter from Joshua Lederberg to Ole Maaloe1
- Letter from Joshua Lederberg to P. R. Edwards2
- Letter from Joshua Lederberg to Paul R. Burkholder1
- Letter from Joshua Lederberg to Philip B. Cowles1
- Letter from Joshua Lederberg to Pierre Fredericq2
- Letter from Joshua Lederberg to R. G. E. Murray1
- Letter from Joshua Lederberg to R. S. Benham2
- Letter from Joshua Lederberg to Raymond L. Latarjet3
- Letter from Joshua Lederberg to Renato Dulbecco1
- Letter from Joshua Lederberg to Robert J. Mandle1
- Letter from Joshua Lederberg to Salvador E. Luria7