Names
- Low, Seth, 1850-1916.1
- Loyson, Hyacinthe, 1827-1912--Portraits.1
- Lucca, Pauline, 1841-1908--Portraits.1
- Luce, Cyrus Gray, 1824-1905.1
- Mace, Aurelia Gay, 1835-1910--Portraits.1
- Magri, M. Lavinia (Mercy Lavinia), 1841-1919--Portraits.1
- Mario, Giovanni, 1810-1883--Portraits.1
- Maxwell, Samuel, 1826-1901.1
- McClellan, George Brinton, 1826-1885--Portraits.1
- McKinley, William, 1843-1901.1
- McMillan, James, 1838-1902.1
- Milles, Carl, 1875-1955--Portraits.1
- Mills, Hazel Hope Pingree, 1881-1976.1
- Mitchell, Maggie, 1837-1918--Portraits.1
- Moltke, Helmuth, Graf von, 1800-1891--Portraits.1
- Monroe, James, 1758-1831--Portraits.1
- Morrill, Justin Smith, 1810-1898.1
- Morse, Edward Sylvester, 1838-1925--Portraits.1
- Mosher, Eliza Maria, 1846-1928.1
- Motley, John Lothrop, 1814-1877--Portraits.1