- Mease, James, 1771-18461
- Medical Society of London.1
- Medical Society of New-Haven County.1
- Medical Society of the State of New York (1794-1807)1
- Meibom, Johann Heinrich, 1590-1655, author1
- Micheau, Paul.1
- Middleton, Peter, d. 17811
- Mildred & Allen.1
- Miller, Samuel, 1769-18501
- Mills, John, -1784?1
- Minor, Jehu, 1743-18081
- Minot, George Richards, 1758-18021
- Mitchill, Samuel L. (Samuel Latham), 1764-18314
- Monro, Alexander, 1697-17671
- Monro, Alexander, 1697-1767, author1
- Monro, Alexander, 1733-18171
- Monro, Donald, 1727-18021
- Moore, John, 1729-18022
- Morgan, John, 1735-17894
- Morley, John, -1776, author2