Image from Wikimedia Commons
Leire Grijalvo - CC BY-SA 4.0
unknown - Public Domain
Allan warren - CC BY-SA 3.0
Gebgdc - CC BY 3.0
17th Century - Public Domain
JasonParis - CC BY 2.0
original uploader - Public Domain
unknown photographer - Public Domain
Pier Leone Ghezzi - Public Domain
Public Domain
Canadian Film Centre - CC BY 2.0
Seyed Emad Karimifard -
Engraver William Walker, after Henry Room - Public Domain
'''Alberto Della Valle'''. Upload, stitch and restoration by Jebulon - Public Domain
Georges Biard - CC BY-SA 3.0
Motion Picture News Inc. - Public Domain
Image from Wikimedia Commons
Leire Grijalvo - CC BY-SA 4.0
Ricci, Nina, 1883-1970
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unknown - Public Domain
Lerch, Matyáš, 1860-1922
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Melanchthon, Philipp, 1497-1560
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Holmes, Burton, 1870-1958
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Allan warren - CC BY-SA 3.0
Longford, Frank Pakenham, Earl of, 1905-2001
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Gebgdc - CC BY 3.0
Avery, Eric, 1965-
Image from Wikimedia Commons
17th Century - Public Domain
Philips, Peter, 1561-1628
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JasonParis - CC BY 2.0
Solomon, Evan
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St. Vincent, John Jervis, Viscount, 1735-1823
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original uploader - Public Domain
Rabl, Carl, 1853-1917
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unknown photographer - Public Domain
Gregory, Jackson, 1882-1943
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Pier Leone Ghezzi - Public Domain
Bianchini, Francesco, 1662-1729
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Public Domain
Kennedy, Edgar, 1890-1948
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Canadian Film Centre - CC BY 2.0
White, Mike, 1970-
Image from Wikimedia Commons
Seyed Emad Karimifard -
Firdawsī
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Daly, Augustin, 1838-1899
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unknown - Public Domain
Carnicer, Ramón, 1789-1855
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Public Domain
Niger, Samuel, 1883-1955
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Keith, James Francis Edward, 1696-1758
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Smith, Ethel, 1902-1996
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Afán de Ribera Enríquez, Fernando 1584-1637
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Engraver William Walker, after Henry Room - Public Domain
Guthrie, G. J. (George James), 1785-1856
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unknown - Public Domain
White, Robert Michael, 1924-2010
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Picart, Bernard, 1673-1733
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'''Alberto Della Valle'''. Upload, stitch and restoration by Jebulon - Public Domain
Antinori, Orazio, 1811-1882
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Sherer, Aleksandr Ivanovich, 1771-1824
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Georges Biard - CC BY-SA 3.0
Kaprisky, Valerie
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Lomonosov, Mikhail Vasilʹevich, 1711-1765
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Linné, Carl von, 1741-1783
Image from Wikimedia Commons
Motion Picture News Inc. - Public Domain
Duncan, Wm. (William), 1880-1961