- Leuzinger, R. (Rudolf), 1826-18961
- Lewis, Samuel, 1753 or 1754-18221
- Madison, James, 1749-18121
- Mason, F. (Act. Asst. Engineer)1
- Mercator, Gerhard, 1512-15941
- Methodist Episcopal Church. Woman's Foreign Missionary Society1
- Meunier, A.1
- Michiels, A. (Albert), 1879-1
- Michler, N. (Nathaniel), 1827-1881, cartographer1
- Milton, Thomas1
- Mitchell, John, 1711-17681
- Mohun, Edward1
- Morse and Tuttle.1
- Moullart-Sanson1
- Méller, Johann Conrad, 1728-1785.1
- Naumann, Edmund, 1854-1
- Neil, Grant E., cartographer.1
- Olsen, William1
- P. Marie et A. Bernard.1
- Paine, Paul M. (Paul Mayo), 1869-19551