- Jones, Joseph, 1833-18961
- Jones, Joseph, 1833-1896, author2
- Kuhl, Marcus.4
- La Roche, R. (René), 1795-18723
- Library of the Surgeon-General's Office (U.S.)1
- Lima, Francisco Gomes de Andrade.1
- Lining, John, 1708-17601
- Linn, William, 1752-18081
- Louis, P. C. A. (Pierre Charles Alexandre), 1787-18721
- Lyons, Robert D. (Robert Dyer), 1826-18861
- Magariños Cervantes, Alejandro, 1825-1893, author1
- Manley, James R., 1781-18511
- Marshall, William, approximately 1740-18021
- Martin, Joseph-Sabin.1
- Mason, John M. (John Mitchell), 1770-18291
- Medical Society of the County of New York.1
- Medical Society of the State of New York (1794-1807)1
- Merrill, A. P. (Ayres Phillips), 1793-18731
- Michel, Middleton, 1822-1894, author1
- Miller, Edward, 1760-18121