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unknown - Public Domain
original uploader - CC BY 2.5
English school - Public Domain
Photographer: van Duinen (ANEFO) - CC BY 4.0
unidentified photographer - Public Domain
Philkon - CC BY-SA 3.0
Mathew Brady - Public Domain
Elya - CC BY-SA 4.0
Sarabande - Public Domain
Airaschen - CC BY-SA 4.0
Circle of Jean Marc Nattier - Public Domain
J.E. Purdy - Public Domain
Hawaiian Mission Children's Society - Public Domain
Henri Evenepoel - Public Domain
Jean-Pierre NAUD - CC BY-SA 4.0
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unknown - Public Domain
Heath, William, 1737-1814
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Golden Gate National Recreation Area (Agency : U.S.)
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Thomas, Sidney Gilchrist, 1850-1885
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original uploader - CC BY 2.5
Ames, Bruce N.
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Mayr, Ernst, 1904-2005
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English school - Public Domain
Sidney, Algernon, 1622-1683
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Photographer: van Duinen (ANEFO) - CC BY 4.0
Wagenvoort, H. (Hendrik), 1886-1976
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unidentified photographer - Public Domain
Ganne, Louis, 1862-1923
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Philkon - CC BY-SA 3.0
Chong, Thomas, 1938-
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Abbot, Charles, Baron Colchester, 1757-1829
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Mathew Brady - Public Domain
Morrill, A. P. (Anson Peaslee), 1803-1887
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Cooper, Thomas, 1759-1839
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Draper, William Henry, 1801-1877
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Barbaro, Marc'Antonio, 1518-1595
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Elya - CC BY-SA 4.0
Böhm, G. (Gottfried), 1920-....
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Kaup, J. J. (Johann Jacob), 1803-1873
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Sarabande - Public Domain
Solow, Jeffrey
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Airaschen - CC BY-SA 4.0
Elías, Manuel de 1939-
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Lewis, Theodore Belden, 1843-1899
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Circle of Jean Marc Nattier - Public Domain
Richmond, Charles Lennox, Duke of, 1701-1750
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Rodenberg, Julius, 1831-1914
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Winterbottom, Thomas Masterman, 1765-1859
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J.E. Purdy - Public Domain
Carver, Thomas-Nixon 1865-1961
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Warren, Lindsay C. (Lindsay Carter), 1889-1976
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Cermak, Anton Joseph, 1873-1933
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Hawaiian Mission Children's Society - Public Domain
Paris, John D., 1809-1892
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Henri Evenepoel - Public Domain
Pougin, Arthur, 1834-1921
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Jean-Pierre NAUD - CC BY-SA 4.0
Charbonnier, Jean-Philippe, 1921-
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Gaskin, Victor
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Merrill, Aaron Stanton, 1890-1961