Image from Wikimedia Commons
Public Domain
Unattributed - Public Domain
William Wells Brown. - Public Domain
Frederick D. Stone - Public Domain
anonymous -
unknown - Public Domain
Anonymous -
Stephen Pearce - Public Domain
unknown photographer - Public Domain
George Higgins Moses, author. New Hampshire Publishing Company (Manchester, NH), publisher. - Public Domain
Image from Wikimedia Commons
Public Domain
Hogarth, Georgina, 1827-1917
Image from Wikimedia Commons
Unattributed - Public Domain
Artôt, Désirée, 1835-1907
Image from Wikimedia Commons
Scott, David Randolph, 1932-
Image from Wikimedia Commons
William Wells Brown. - Public Domain
Brown, William Wells, 1814?-1884
Image from Wikimedia Commons
Frederick D. Stone - Public Domain
Bradford, William, 1719-1791
Image from Wikimedia Commons
anonymous -
Preissig, Vojtěch
Image from Wikimedia Commons
Lucier, Alvin
Image from Wikimedia Commons
Saunders, Charles, Sir, 1713?-1775
Image from Wikimedia Commons
Macarthur, William, Sir, 1800-1882
Image from Wikimedia Commons
unknown - Public Domain
Ward, Genevieve, 1838-1922
Image from Wikimedia Commons
Anonymous -
O'Malley, Walter F. (Walter Frank), 1903-1979
Image from Wikimedia Commons
Crowder, E. H. (Enoch Herbert), 1859-1932
Image from Wikimedia Commons
Stephen Pearce - Public Domain
Rae, John, 1813-1893
Image from Wikimedia Commons
unknown - Public Domain
Auzoux, Louis Thomas Jérôme 1797-1880
Image from Wikimedia Commons
Morgenstierne, Georg, 1892-1978
Image from Wikimedia Commons
Boni, Giacomo, 1859-1925
Image from Wikimedia Commons
unknown - Public Domain
Loy, Nanni
Image from Wikimedia Commons
Boncompagni, Giacomo, 1548-1612
Image from Wikimedia Commons
unknown photographer - Public Domain
Benedicks, Carl, 1875-1958
Image from Wikimedia Commons
Boyd, Bill, 1910-1977
Image from Wikimedia Commons
Flagstad, Kirsten, 1895-1962
Image from Wikimedia Commons
George Higgins Moses, author. New Hampshire Publishing Company (Manchester, NH), publisher. - Public Domain
McKinney, Luther Franklin, 1841-1922
Image from Wikimedia Commons
Simon, Jules, 1814-1896
Image from Wikimedia Commons
Turner, Charles Yardley, 1850-1918.
Image from Wikimedia Commons
Chirac, Jacques, 1932-....
Image from Wikimedia Commons
unknown - Public Domain
Meyer, Frank N.
Image from Wikimedia Commons
Laudenbach, Philippe, 1936-...
Image from Wikimedia Commons
Arigoni, Duilio.
Image from Wikimedia Commons
Goldmann, Nahum, 1895-1982
Image from Wikimedia Commons
Fisher, Carrie