Image from Wikimedia Commons
Public Domain
unknown photographer - Public Domain
Esther Dyson - CC BY 2.0
20th Century-Fox - Public Domain
Navy and Army Illustrated 1896 - Public Domain
Harris & Ewing - Public Domain
Benjamin Griffith Brawley - 1882-1939 - Public Domain
Anonymous - Public Domain
unknown - Public Domain
original uploader - Public Domain
Unattributed - Public Domain
MITO SettembreMusica - CC BY 2.0
US War Department - Public Domain
Georges Biard - CC BY-SA 3.0
Ag Andras - CC BY-SA 3.0
unidentified artist - Public Domain
Xenon 77 - CC BY-SA 3.0
anonymous -
Benno Hunziker - CC BY-SA 3.0
Image from Wikimedia Commons
Henry, Aaron, 1922-1997
Image from Wikimedia Commons
Public Domain
Young, Benjamin Loring, 1885-1964
Image from Wikimedia Commons
Delcassé, Théophile, 1852-1923
Image from Wikimedia Commons
Spanheim, Friedrich, 1632-1701
Image from Wikimedia Commons
Fiennes, Nathaniel, 1607 or 1608-1669
Image from Wikimedia Commons
Erhard, Ludwig
Image from Wikimedia Commons
unknown photographer - Public Domain
Warner, Harry Morris, 1881-1958
Image from Wikimedia Commons
Séguier, Pierre, 1588-1672
Image from Wikimedia Commons
Esther Dyson - CC BY 2.0
Levine, John R.
Image from Wikimedia Commons
20th Century-Fox - Public Domain
Tate, Sharon, 1943-1969
Image from Wikimedia Commons
Navy and Army Illustrated 1896 - Public Domain
Lyons, A. (Algernon MacLennan), 1833-1908
Image from Wikimedia Commons
Coleman, Edward, 1765-1839
Image from Wikimedia Commons
Harris & Ewing - Public Domain
Meyer, George von Lengerke, 1858-1918
Image from Wikimedia Commons
Benjamin Griffith Brawley - 1882-1939 - Public Domain
Fuller, Meta Warrick, 1877-1968
Image from Wikimedia Commons
Anonymous - Public Domain
Beaumont, Christophe de 1703-1781
Image from Wikimedia Commons
Atholl, Katharine Marjory Stewart-Murray, Duchess of, 1874-1960
Image from Wikimedia Commons
unknown - Public Domain
Filelfo, Francesco, 1398-1481
Image from Wikimedia Commons
Sherman, Sidney, 1805-1873
Image from Wikimedia Commons
original uploader - Public Domain
Vaze, Mirză Shăfi 1796-1852
Image from Wikimedia Commons
Unattributed - Public Domain
Rosenhain, Jakob, 1813-1894
Image from Wikimedia Commons
MITO SettembreMusica - CC BY 2.0
Birtwistle, Harrison
Image from Wikimedia Commons
US War Department - Public Domain
Gere, Thomas Parke, 1842-1912
Image from Wikimedia Commons
Georges Biard - CC BY-SA 3.0
Balasko, Josiane
Image from Wikimedia Commons
Ag Andras - CC BY-SA 3.0
Barioni, Daniele, 1930-
Image from Wikimedia Commons
unidentified artist - Public Domain
Elliott, Stephen, 1771-1830
Image from Wikimedia Commons
unknown - Public Domain
Biggs, J. Crawford (James Crawford), 1872-1960
Image from Wikimedia Commons
Xenon 77 - CC BY-SA 3.0
Nefertiti, Queen of Egypt, active 14th century B.C.
Image from Wikimedia Commons
Odell, Benjamin B. (Benjamin Barker), 1854-1926
Image from Wikimedia Commons
anonymous -
Brinz, Alois von 1820-1887
Image from Wikimedia Commons
Benno Hunziker - CC BY-SA 3.0
Davies, Dennis Russell