- Knight, John, approximately 1802-18721
- Kohn-Hennig Collection.1
- Kossak, William (Cartographer)1
- Kyzer, Paul B.1
- L. Prang & Co.1
- L.L. Poates Engr�g Co.1
- Le Rouge, Georges-Louis1
- Le Rouge, Georges-Louis (Geographer)1
- Leahy, Thomas F.1
- Lederer, John1
- Lee, Alex Y.1
- Lee, Alex. Y.1
- Lee, H.1
- Lieber, Oscar M. (Oscar Montgomery), 1830-18621
- Lindenkohl, A.1
- Lindenkohl, A. (Cartographer)1
- Lindler, J.1
- Lodge, John -1796 (Sculptor)1
- Lodge, John, -1796 (Geographer)(Engraver)1
- Lotter, Tobias Conrad, 1717-1777 (Engraver)1