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Henry William Beechey - Public Domain
Jopparn - CC BY-SA 3.0
Cezary p -
unknown - Public Domain
Civil War glass negative collection (Library of Congress) - Public Domain
Contemporary photograph - Public Domain
Charles Bird King - Public Domain
Vysotsky - CC BY-SA 4.0
Robert Thouless - Public Domain
Contemporary portrait - Public Domain
National Photo Company - Public Domain
Thomas Gainsborough - Public Domain
New America - CC BY 2.0
Nicholas Richard Brewer - Public Domain
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Bonnat, Léon Joseph Florentin, 1833-1922
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Henry William Beechey - Public Domain
Beechey, William, Sir, 1753-1839
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Jopparn - CC BY-SA 3.0
Ostade, Adriaen van 1610-1685
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Cezary p -
Eidrigevicius, Stasys
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unknown - Public Domain
Conway, Moncure Daniel, 1832-1907
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Graff, Joseph Verdi, 1854-1921
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Lea, Nicholas, 1962-....
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Civil War glass negative collection (Library of Congress) - Public Domain
Williamson, R. S. (Robert Stockton), 1824-1882
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Contemporary photograph - Public Domain
Farnam, Henry, 1803-1883
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Ofek, Avraham, 1935-1990
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Charles Bird King - Public Domain
Hunter, William, 1774-1849
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Wood, Henry, Mrs., 1814-1887
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Vysotsky - CC BY-SA 4.0
Dykes, J. Oswald (James Oswald), 1835-1912
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Robert Thouless - Public Domain
Thouless, Robert Henry, 1894-
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Hays, Anna Mae V., 1920-
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Yi, Hwang, 1501-1570.
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Lee, Dorothy McCullough, 1901-1981
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Baer, Karl Ernst von 1792-1876
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Coutts, John
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Contemporary portrait - Public Domain
Cullen, Paul, 1803-1878
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Helstoski, Henry, 1925-
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Hay, James, 1856-1931
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Castillo, José del, 1737-1793
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Holt, Kimberly Willis
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Russell, David O., 1958-....
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Mann, William M., 1886-1960
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National Photo Company - Public Domain
Ernst, Richard Pretlow, 1858-1934
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Thomas Gainsborough - Public Domain
Henderson, John, 1747-1785
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New America - CC BY 2.0
Perle, Richard Norman, 1941-
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Nicholas Richard Brewer - Public Domain
Hammond, Winfield S., 1863-1915