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Frank Holl - Public Domain
Clara Lida - CC BY-SA 3.0
Alexander Varnek - Public Domain
Bain - Public Domain
Claire A. Stevens - CC BY-SA 3.0
Ken Seghers - CC BY-SA 2.0
Photographer-Herman Leonard, New York - Public Domain
Martin Kraft - CC BY-SA 3.0
unknown - Public Domain
McChizzle - Public Domain
Mathew Brady - Public Domain
unknown -
Fondazione Mansutti - Public Domain
Paulovflopes - CC BY-SA 4.0
Contemporary portrait - Public Domain
Fabio Venni - CC BY-SA 2.0
Sam - CC BY-SA 2.0
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Frank Holl - Public Domain
Fowler, Robert
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Longford, Elizabeth, 1906-2002
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Clara Lida - CC BY-SA 3.0
Lida, Raimundo.
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Alexander Varnek - Public Domain
Mordvinov, Nikolaĭ Semenovich, graf, 1754-1845
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Bain - Public Domain
Willcox, William R. (William Russell), 1863-1940
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Claire A. Stevens - CC BY-SA 3.0
Stevens, Peter, 1919-1979
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Ken Seghers - CC BY-SA 2.0
Cole, Cozy
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Hancock, John
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Photographer-Herman Leonard, New York - Public Domain
Benzell, Mimi
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Martin Kraft - CC BY-SA 3.0
Veiel, Andres, 1959-....
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Hogan, John, 1800-1858
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Coustou, Guillaume, 1677-1746
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Gorman, Tom, 1919-
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Pope, Jack, 1913-
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Sawyer, Lorenzo, 1820-1891
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Frederick William III, King of Prussia, 1770-1840
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Burdick, Quentin N. (Quentin Northrup), 1908-1992
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unknown - Public Domain
Lauterbur, Paul C., 1929-2007
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McChizzle - Public Domain
United States Army band
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Mathew Brady - Public Domain
Dixon, James, 1814-1873
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Kaluta, Michael William
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unknown -
Hansberry, Lorraine Vivian, 1930-1965
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unknown - Public Domain
Wardrop, John Oliver 1864-1948
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Fondazione Mansutti - Public Domain
Molina, Luis de 1535-1600
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Hauptman, Herbert A. (Herbert Aaron), 1917-2011
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Paulovflopes - CC BY-SA 4.0
Davis, Ernie, 1939-1963
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Contemporary portrait - Public Domain
Davies, Samuel, 1723-1761
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Fabio Venni - CC BY-SA 2.0
Cotton, Joseph
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Granvelle, Nicolas Perrenot de 1486-1550
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Sam - CC BY-SA 2.0
McElhinney, Ian, 1948-