Titles
- Lead poisoning (a compilation of present knowledge)1
- Legal medicine and toxicology by many specialists1
- Legal medicine and toxicology by many specialists (Volume 1)1
- Legal medicine and toxicology by many specialists (Volume 2)1
- Leonardo da Vinci's note-books1
- Les comprime's "Rhodine" soulagent1
- Letter from Alan Gregg to Faith and Farwell Bemis1
- Letter from Hugh Cumming to Alexander Lambert1
- Letter from Hugh Cumming to R. B. Norment1
- Letter from Jacques Loeb to Michael Heidelberger1
- Letter from Karl Landsteiner to Michael Heidelberger1
- Letter from Richard M. Pearce to Alan Gregg1
- Letter from Simon Flexner to Florence R. Sabin1
- Letter from Simon Flexner to Michael Heidelberger1
- Life and confessions of a psychologist1
- Life insurance: a textbook1
- Listen in: radio health talks1
- Local anaesthesia methods and results in abdominal surgery1
- Manual científico de temperancia1
- Manual de educación física del niño y del adolescente: (Escuela francesa)1