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enormospenner - CC BY 2.0
not credited - Public Domain
Professor Bop - CC BY 2.0
unknown photographer - Public Domain
William Kurtz - Public Domain
New York, N.Y. : M. King - Public Domain
Nathaniel Fish Moore - Public Domain
National Photo Company Collection (Library of Congress) - Public Domain
William Henry Worthington (engraver, ca. 1795-ca. 1839) -
Jean - CC BY 2.0
Walterlan Papetti - CC BY-SA 4.0
Lindy Hopper Phoenix - CC BY 2.0
NBC Television - Public Domain
unknown - Public Domain
Devan.varun - CC BY-SA 4.0
Annie_C_2 - CC BY 2.0
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enormospenner - CC BY 2.0
Walker, Murray, 1923-
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not credited - Public Domain
Bernstein, Eduard, 1850-1932
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Carpenter, Stephen R.
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Professor Bop - CC BY 2.0
Wilson, Cassandra, 1955-....
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Talcott, Allen Butler, 1867-1908
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unknown photographer - Public Domain
Call, Anson, 1810-1890
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William Kurtz - Public Domain
Emmons, Samuel Franklin, 1841-1911
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New York, N.Y. : M. King - Public Domain
Brown, John Crosby, 1838-1909
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Child, Richard Washburn, 1881-1935
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Nathaniel Fish Moore - Public Domain
Moore, Nathaniel Fish, 1782-1872
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National Photo Company Collection (Library of Congress) - Public Domain
Smith, Kate, 1907-1986
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Doyle, William M. S., 1769-1828
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William Henry Worthington (engraver, ca. 1795-ca. 1839) -
White, Robert, 1645-1703
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Jean - CC BY 2.0
Anderson, Richard Dean
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Kristal, Hilly
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Walterlan Papetti - CC BY-SA 4.0
Testino, Mario
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Lindy Hopper Phoenix - CC BY 2.0
Strobel, Lee, 1952-
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NBC Television - Public Domain
Harris, Phil, 1904-1995
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Yancey, Bartlett, 1785-1828
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Labitzky, Joseph
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North, Frederick, Lord, 1732-1792
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unknown - Public Domain
Hill, Wilhelm, 1838-1902
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Goncharov, Ivan Aleksandrovich, 1812-1891
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Ruzowitzky, Stefan
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Burke, Robert O'Hara, 1821-1861
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Devan.varun - CC BY-SA 4.0
Poston, T.
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Ferris, Jean Leon Gerome, 1863-1930
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Hurd, Henry M. (Henry Mills), 1843-1927
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Annie_C_2 - CC BY 2.0
Waters, Sarah, 1966-....
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Leyster, Judith, 1609-1660