- Letter from Joshua Lederberg to Clifford Grobstein3
- Letter from Joshua Lederberg to F. M. Burnet3
- Letter from Joshua Lederberg to George Klein3
- Letter from Joshua Lederberg to James D. Watson3
- Letter from Joshua Lederberg to Kimball Atwood3
- Letter from Joshua Lederberg to Leonard Herzenberg3
- Letter from Joshua Lederberg to Max Zelle3
- Letter from Joshua Lederberg to Palmer David Skaar3
- Letter from Joshua Lederberg to Pierre Fredericq3
- Letter from Joshua Lederberg to Robert H. Alway3
- Letter from Joshua Lederberg to William Hayes3
- Letter from Kai O. Pedersen to Michael Heidelberger3
- Letter from M. Demerec to Tracy M. Sonneborn3
- Letter from Peter Mitchell to Joshua Lederberg3
- Letter from Sydney D. Rubbo to Joshua Lederberg3
- Letter on corpulence: addressed to the public3
- Lexicon medicum, or, Medical dictionary: containing an explanation of the terms in anatomy, botany, chemistry, materia medica, midwifery, mineralogy, pharmacy, physiology, practice of physic, surgery, and the various branches of natural philosophy connected with medicine : selected, arranged, and compiled from the best authors3
- MEDLARS training program: indexing training syllabus3
- Maize Genetics3
- Manual for public health nurses3