Image from Wikimedia Commons
Frederick Gutekunst - Public Domain
"Revue illustrée" - Public Domain
Oregon State University -
University of Iowa - Public Domain
Robin S. Taylor - CC BY-SA 4.0
stefie66 - CC BY-SA 2.0
No photographer named in original source. - Public Domain
unknown - Public Domain
Harris & Ewing - Public Domain
Photo by :en:Nadar (photographer) -
Image from Wikimedia Commons
Martin, Theodore, sir., 1816-1909
Image from Wikimedia Commons
Wellington, Arthur Wellesley, Duke of, 1769-1852
Image from Wikimedia Commons
Dixon, A. (Archibald), 1802-1876
Image from Wikimedia Commons
Allen, William, 1532-1594
Image from Wikimedia Commons
Mérode, Cléo de 1875-1966
Image from Wikimedia Commons
Frederick Gutekunst - Public Domain
Brewer, T. M. (Thomas Mayo), 1814-1880
Image from Wikimedia Commons
"Revue illustrée" - Public Domain
Gervex, Henri, 1852-1929
Image from Wikimedia Commons
Oregon State University -
Sprague, Charles A. (Charles Arthur), 1887-1969
Image from Wikimedia Commons
Thebussem, doctor, 1828-1918
Image from Wikimedia Commons
Beauclerk, Topham, 1739-1780
Image from Wikimedia Commons
Somers, John Somers, Baron, 1651-1716
Image from Wikimedia Commons
LeRoy, Mervyn, 1900-1987
Image from Wikimedia Commons
University of Iowa - Public Domain
Sabin, Edwin L. (Edwin Legrand), 1870-1952
Image from Wikimedia Commons
Robin S. Taylor - CC BY-SA 4.0
Pelly, J. H. (John Henry), 1777-1852
Image from Wikimedia Commons
Whitman, Marcus, 1802-1847
Image from Wikimedia Commons
stefie66 - CC BY-SA 2.0
Schnapp, Jeffrey T. (Jeffrey Thompson), 1954-
Image from Wikimedia Commons
No photographer named in original source. - Public Domain
Dromgoole, Will Allen, 1860-1934
Image from Wikimedia Commons
Rodney, Red
Image from Wikimedia Commons
unknown - Public Domain
Duca, I. G. (Ion George), 1879-1933
Image from Wikimedia Commons
Aanrud, Hans, 1863-1953
Image from Wikimedia Commons
Kallen, Kitty
Image from Wikimedia Commons
Beckford, Peter, 1740-1811
Image from Wikimedia Commons
Briggs, Charles F. (Charles Frederick), 1804-1877
Image from Wikimedia Commons
Harris & Ewing - Public Domain
Peixotto, Ernest C., 1869-1940
Image from Wikimedia Commons
unknown - Public Domain
Tixier-Vignancour, Jean-Louis, 1907-1989
Image from Wikimedia Commons
Photo by :en:Nadar (photographer) -
Monet, Claude, 1840-1926
Image from Wikimedia Commons
Wills, Sir, Charles, 1666-1741
Image from Wikimedia Commons
Noves, Laura de, 1308?-1348
Image from Wikimedia Commons
Lafargue, Paul, 1842-1911
Image from Wikimedia Commons
Lane, Fitz Henry, 1804-1865