Names
- Keystone View Company.1
- King, Julia Wiggin, 1828-1904.1
- King, Thomas Starr, 1824-1864.1
- Kirke, Edward Norris, 1802-1874.1
- Knox, Henry, 1750-1806.1
- Lafayette, Marie Joseph Paul Yves Roch Gilbert Du Motier, marquis de, 1757-1834.1
- Lawrence, William Beach, 1800-1881.1
- Ledyard, Henry Brockholst, 1883-1921.1
- Lee, Robert E. (Robert Edward), 1807-1870.2
- Legaré, Hugh Swinton, 1797-1843.1
- Leslie, Charles Robert, 1794-1859.1
- Lester, C. Edwards (Charles Edwards), 1815-1890.1
- Leviathan (Steamship)1
- Lewis, William A.1
- Lewis, William Berkeley, 1784-1866.1
- Lieber, Francis, 1800-1872.1
- Lincoln, Abraham, 1809-1865.1
- Lincoln, Benjamin, 1733-1810.1
- Lincoln, Mary Todd, 1818-1882.1
- Linn, Lewis Fields, 1795-1843.1