- Jones, Requarth and Kelsey1
- Keenan, William, approximately 1810- (Lithographer)1
- Kerr, Washington Caruthers, 1827-18851
- Key, John Ross, 1832-19201
- Kiepert, Heinrich, 1818-1899 (cartographer)1
- Kingston, R. E. (Cartographer)1
- Kitchin, Thomas 1718-1784 1
- Knight, C. A.1
- Knight, J. (Jonathan), 1787-18581
- 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
- La Harpe, Jean-François de, 1739-1803 (author)1
- Lapie, M. (cartographer)1
- Lathrop, H. P. (cartographer) (publisher)1
- Le Rouge, Georges-Louis1
- Le Rouge, Georges-Louis (Geographer)1