- La Roche, R. (ReneĢ), 1795-18723
- Lea, Isaac, 1792-18861
- Lee, William, 1778-18631
- Lehmann, Karl Gotthelf, 1812-18633
- Lillie, James.1
- Lindsay & Blakiston.2
- Livermore, Abiel Abbot, 1811-18921
- London Medical Society of Observation.1
- Lorraine, S.1
- Ludlow, J. L. (John Livingston), 1819-18881