Image from Wikimedia Commons
Unknown painter - Public Domain
Public Domain
Medjeded - CC BY-SA 3.0
Rice, Franklin Pierce - Public Domain
US Government Printing Office - Public Domain
New York World-Telegram and the Sun staff photographer: Higgins, Roger, photographer. - Public Domain
unknown - Public Domain
Whomyl - CC BY-SA 4.0
Ilenero - Public Domain
Joenap - CC BY-SA 3.0
E. Neurdein (Acording to :File:Ludvig Joseph Ferd. Herold portrait (9654494282).jpg [https://www.flickr.com/photos/bergen_public_library/9654494282/]) - Public Domain
unknown photographer - Public Domain
Image from Wikimedia Commons
Unknown painter - Public Domain
Bochart, Samuel, 1599-1667
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Griggs, John William, 1849-1927
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Ratia, Armi, 1912-1979
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Friedrich Ulrich, Duke of Brunswick-Wolfenbüttel, 1591-1634
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Public Domain
Griffith, D.W. David Wark 1875-1948
Image from Wikimedia Commons
Medjeded - CC BY-SA 3.0
Chouikh, Mohamed, 1943-....
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Rice, Franklin Pierce - Public Domain
Ball, Phinehas, 1824-1894
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Porpora, Nicola, 1686-1768
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McReynolds, James Clark, 1862-1946
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Berners, John Bourchier, Lord, 1466 or 1467-1533
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Stevovich, Andrew, 1948-
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US Government Printing Office - Public Domain
Mezvinsky, Edward M. (Edward Maurice), 1937-
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New York World-Telegram and the Sun staff photographer: Higgins, Roger, photographer. - Public Domain
Strömgren, Bengt (1908-1987).
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Robinson, Andrew, 1942-
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Renne, Roland Roger, 1905-
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Eggeling, Viking, 1880-1925
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Revere, Anne, 1903-1990
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unknown - Public Domain
Benítez, Jaime, 1908-2001
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Agosti, Orlando Ramón
Image from Wikimedia Commons
Whomyl - CC BY-SA 4.0
Brown, Harry Gunnison, 1880-
Image from Wikimedia Commons
Schmidt, Arno, 1914-1979
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Public Domain
Dow, Herbert Henry, 1866-1930
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Ilenero - Public Domain
Elazar, Daniel Judah.
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Joenap - CC BY-SA 3.0
Napolitano, Joe.
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Marcus, David, 1901-1948
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Bouhier, Jean, 1673-1746
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Albany, Louise Maximiliane Caroline Emanuele, Princess of Stolberg-Gedern, calling herself Countess of, 1752-1824
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E. Neurdein (Acording to :File:Ludvig Joseph Ferd. Herold portrait (9654494282).jpg [https://www.flickr.com/photos/bergen_public_library/9654494282/]) - Public Domain
Herold, Ferdinand
Image from Wikimedia Commons
unknown photographer - Public Domain
Strother, James French, 1811-1860
Image from Wikimedia Commons
McPhee, Colin, 1900-1964