- Lucas, Fielding, Jr., 1781-18541
- Luffman, J. (John) 1756-18461
- Luffman, J. (John), 1756-18461
- Luffman, J. (John), 1756-1846 (Engraver)1
- Luffman, J. (John), 1756-1846 (Geographer)1
- M.J. Green1
- Macomb, Alexander, 1782-1841 (Topographer)1
- Maedel, A. (Adolph) (Engraver)1
- Marshall, R. B. (Robert Bradford), 1867-1949 (Geographer)1
- Mayer, Ferd.1
- McClellan, George B. (George Brinton), 1826-18851
- McClellan, George Brinton 1826-18851
- McNair, Edward C.1
- McNally, Francis (Compiler)1
- McRae, John, 1793-18801
- Melish, John, 1771-18221
- Mercator, Gerhard, 1512-15941
- Miller, D.B. (Engineer)1
- Mills, Robert 1781-18551
- Mills, Robert, 1781-18551