- Henry Gannett, Chief Geographer2
- John McCrady Co.2
- Johnson, A. J. (Alvin Jewett) 1827-18842
- Jowitt, Thad. C.2
- Kendall Collection2
- Lea, Philip, active 1683-17002
- Lloyd, James T.2
- Martin Flegel2
- Matthews, Maurice2
- McClellan, George B. (George Brinton), 1826-1885 2
- Mitchell, S. Augustus (Samuel Augustus), 1792-1868 (Compiler) 2
- Mitchell, S. Augustus, Jr. (Samuel Augustus) (Cartographer)2
- Moll, Herman (Geographer)2
- Moll, Herman, -17322
- Moore, Willis L.2
- Morden, Robert, approximately 1650-17032
- Mouzon, Henry (Cartographer)2
- Ogilby, John, 1600-16762
- Petrie, E. (Edmund)2
- Pocock, Nicholas, 1740?-18212