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U.S. Department of State - Public Domain
Harris-Ewing - Public Domain
original uploader - Public Domain
The Rochester Athenæum and Mechanics Institute - Public Domain
Unknown artist; without any doubt dead for more than 70 years - Public Domain
Marcel Sembat (1862-1922) - Public Domain
Photographer unidentified - Public Domain
Goulaue - Public Domain
Agence photographique de la Réunion des Musées Nationaux. - Public Domain
unknown - Public Domain
unknown photographer - Public Domain
Joi - CC BY 2.0
John Atherton - CC BY-SA 2.0
Lewis Clinton Strang - Public Domain
Tom Marcello - CC BY-SA 2.0
NBC Television - Public Domain
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U.S. Department of State - Public Domain
Dicaprio, Leonardo
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Harris-Ewing - Public Domain
Stewart, Samuel V. (Samuel Vernon), 1872-1939
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Mooney, Art 1911-1993
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Smith, Edward John, 1850-1912
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original uploader - Public Domain
Prescott, Benjamin F. (Benjamin Franklin), 1833-1895
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Smithson, James, 1765-1829
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Poling, Virginia S., 1911-
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The Rochester Athenæum and Mechanics Institute - Public Domain
Randall, John A. (John Arthur), 1881-
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Vierge, Daniel, 1851-1904
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Unknown artist; without any doubt dead for more than 70 years - Public Domain
Thibaut, Anton Friedrich Justus, 1772-1840
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Marcel Sembat (1862-1922) - Public Domain
Agutte, Georgette, 1867-1922
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Holcroft, Thomas, 1745-1809
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Campbell, Beatrice, 1922-1979
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Photographer unidentified - Public Domain
Thorpe, Rose Hartwick, 1850-1939
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Goulaue - Public Domain
Rouland, Gustave 1806-1878
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Guichen, Luc Urbain du Bouëxic, comte de, 1712-1790
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Benson, Ambrosius, 1495-1550
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Agence photographique de la Réunion des Musées Nationaux. - Public Domain
DuBourg, Louis William Valentine, 1766-1833
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unknown - Public Domain
Bingham, Robert Worth, 1871-1937
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unknown photographer - Public Domain
Rives, Amélie 1863-1945
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Joi - CC BY 2.0
Briski, Zana
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Kneass, William, 1780-1840
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Morey, Henry Lee, 1841-1902
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John Atherton - CC BY-SA 2.0
Gardner, Erle Stanley, 1889-1970
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Chambers, Julius, 1850-1920
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Keitel, Harvey
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Lewis Clinton Strang - Public Domain
Shannon, Effie, 1867-1954
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Haines, Elijah M. (Elijah Middlebrook), 1822-1889
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Tom Marcello - CC BY-SA 2.0
Mann, Herbie, 1930-2003
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NBC Television - Public Domain
Carey, Macdonald