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unknown - Public Domain
original uploader - Public Domain
Lafayette - Public Domain
Tom Marcello - CC BY-SA 2.0
Gilbert Stuart - Public Domain
www.weforum.org - CC BY-SA 2.0
Joseph S. Diller (photographer) - Public Domain
user at project - CC BY-SA 3.0
unknown photographer - Public Domain
Jan Vilímek - Public Domain
George Grantham Bain Collection (Library of Congress) - Public Domain
:en:ScottFisher -
Roald Kverndal - Public Domain
Napoleon Sarony - Public Domain
Fritz Cohen - Public Domain
The Churchman Company - Public Domain
Unspecified - Public Domain
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unknown - Public Domain
Abert, Johann Joseph, 1832-1915
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Carney, Thomas, 1824-1888
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original uploader - Public Domain
Prescott, Benjamin F. (Benjamin Franklin), 1833-1895
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Lafayette - Public Domain
Courtney, W. L. (William Leonard), 1850-1928
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Tom Marcello - CC BY-SA 2.0
Cranshaw, Bob
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Gilbert Stuart - Public Domain
Sullivan, James, 1744-1808
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www.weforum.org - CC BY-SA 2.0
ʿArafāt, Yāsir, 1929-2004
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Glière, Reinhold.
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Herbert, Victor, 1859-1924
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Joseph S. Diller (photographer) - Public Domain
Ries, Heinrich, 1871-1951
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user at project - CC BY-SA 3.0
Baker, Laurie, 1917-2007
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Griffiths, Ralph, 1720-1803
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Mix, Tom, 1880-1940
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Dietrich, Christian-Wilhelm-Ernst, 1712-1774
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unknown - Public Domain
Bessels, Emil, 1847-1888
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unknown photographer - Public Domain
Boyd, Willard L. (Willard Lee), 1927-
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unknown - Public Domain
Reissner, Hans J. (Hans Jacob), 1874-1967
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Jan Vilímek - Public Domain
Tichatschek, Josef, 1807-1886
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George Grantham Bain Collection (Library of Congress) - Public Domain
Le Maire, Charles
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:en:ScottFisher -
Winwood, Steve, 1948-....
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Stommel, Henry M., 1920-1992
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Grünewald, Matthias, active 16th century
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Roald Kverndal - Public Domain
Damon, Samuel Chenery, 1815-1885
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Vandenberg, Arthur H. (Arthur Hendrick), 1907-1968
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George Grantham Bain Collection (Library of Congress) - Public Domain
Grierson, James Moncrieff, 1859-1914
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Napoleon Sarony - Public Domain
Church, Frederick S. (Frederick Stuart), 1842-1924
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Fritz Cohen - Public Domain
Davis, Monnett Bain, 1893-1953
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The Churchman Company - Public Domain
Anderson, Charles Palmerston, 1863-1930
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Unspecified - Public Domain
Deschamps, Émile, 1791-1871
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Moore, Richard Channing, 1762-1841