Names
- Jos. Laing & Co.1
- Kennedy family.1
- Kennedy, Andrew Eskridge, 1824-1890.1
- Kennedy, Anthony, 1810-1892.1
- Kennedy, Margaret Smith Hughes, 1819-1884.1
- Kennedy, Philip Clayton, 1838-1864.1
- Kennedy, Stephen Dandridge, 1834-1914.1
- Keystone View Company.1
- Kilburn, B. W. (Benjamin West), 1827-1909.1
- Kuhler, Otto, 1894-1977.1
- Lafayette, Marie Joseph Paul Yves Roch Gilbert Du Motier, marquis de, 1757-1834.1
- Langenheim, Frederick, 1809-1879.1
- Lawrence, Abbott, 1792-1855--Portraits.1
- Londonderry, Charles William Vane, Marquis of, 1778-1854.1
- Mansfield, Margaret, approximately 1818-.1
- Marconi, Guglielmo, 1874-1937--Portraits.1
- Mather, John A. (John Aked), 1829-1915.1
- McConkey, William, Jr.1
- McLane, Louis, 1786-1857.1
- Meigs, Montgomery, 1847-1931.1