Names
- 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
- 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
- Morse, Edward Sylvester, 1838-1925--Portraits.1
- Motley, John Lothrop, 1814-1877--Portraits.1
- Moulton, Louise Chandler, 1835-1908.1
- Nasby, Petroleum V., 1833-1888--Portraits.1
- Nast, Thomas, 1840-1902--Portraits.1
- Nāṣir al-Dīn Shāh, Shah of Iran, 1831-1896--Portraits.1
- Nilsson, Christine, 1843-1921--Portraits.1
- Nutt, Commodore, 1848-1881--Portraits.1
- Ord, Edward Otho Cresap, 1818-1883--Portraits.1
- Parepa-Rosa, Euphrosyne, 1836-1874--Portraits.1