- McVickar, J. A. (John Augustus), 1812-18921
- Medical Society of the State of New York (1807- )1
- Mello Moraes, A. J. de (Alexandre José), 1816-18821
- Merrell, Albert, author1
- Merwin, John C.1
- Miles, Charles, medical botanist1
- Mitchell, Thomas D. (Thomas Duché), 1791-18651
- Mohr, Charles, 1844-19071
- Monroe, A. L. (Andrew Leight), 1856-1
- Neill, John, 1819-18801
- New York Hospital.1
- Paine, Martyn, 1794-1877, author1
- Pereira, Jonathan, 1804-1853, author1
- Philadelphia College of Pharmacy (1822-1921)1
- Pompa, Gerónimo, author1
- Priest, Michael L.1
- Rodman, William Woodbridge, 1817-19001
- Rogers, J. Smyth (John Smyth), 1794-18511
- Roth, Otto, author1
- Ruble, Thomas W. (Thomas White), 1765-1