- McPheeters, William M. (William Marcellus), 1815-19051
- McVickar, J. A. (John Augustus), 1812-18921
- Medical Faculty of Pulaski County, Ark.1
- Meigs, J. Forsyth (John Forsyth), 1818-18821
- Metcalf, J. W. (James W.)1
- Michel, Middleton, 1822-1894, author1
- Miller, James, 1812-18641
- Mitchell, Joseph Thomas.1
- Morton, W. T. G. (William Thomas Green), 1819-18681
- Mullaly, John.1
- Musgrave, H. B.1
- Mussey, R. D. (Reuben Dimond), 1780-18661
- Nelson, Wolfred, 1791-18631
- New Haven (Conn.). Committee on Supplying Water.1
- New Orleans (La.). Office of the Mayor.1
- Nichols, Thomas Low, 1815-19011
- North-Western Medical Society.1
- Nutting, J. H.1
- Oliva, Leonardo, 1814-1872, author1
- Page, Charles Grafton, 1812-18681