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Fritz Cohen - Public Domain
U.S. federal government - Public Domain
George P. A. Healy - Public Domain
original uploader - Public Domain
7moxy7 - CC BY-SA 4.0
toxickore - CC BY 2.0
unknown - Public Domain
United States Senate Historical Office? - Public Domain
Public Domain
Gilbert Stuart - Public Domain
George Grantham Bain Collection (Library of Congress) - Public Domain
Lajos Tihanyi - Public Domain
Bain - Public Domain
Thomas Gibson - Public Domain
Unknown military photographer - Public Domain
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Stradella, Alessandro, 1639-1682
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Ginsburg, Douglas H., 1946-....
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Fritz Cohen - Public Domain
Avriel, Ehud, 1917-1980
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Hume, Benita
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U.S. federal government - Public Domain
Bumbry, Grace, 1937-....
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George P. A. Healy - Public Domain
Tazewell, Littleton Waller, 1774-1860
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original uploader - Public Domain
Faber, Red, 1888-1976
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Waghorn, Thomas, 1800-1850
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Gillespie, Dizzy, 1917-1993
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Worcester, Charles Somerset, Earl of, approximately 1460-1526
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7moxy7 - CC BY-SA 4.0
Eliot, Charles, 1859-1897
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toxickore - CC BY 2.0
Álvarez Bravo, Lola, 1907-1993
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Derzhavin, Gavriil Romanovich, 1743-1816
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unknown - Public Domain
Greenaway, Kate, 1846-1901
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Lewis, Clyde
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United States Senate Historical Office? - Public Domain
Heiskell, John Netherland, 1872-1972
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Public Domain
Lee, Elisha, 1870-1933
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Gilbert Stuart - Public Domain
Sullivan, James, 1744-1808
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George Grantham Bain Collection (Library of Congress) - Public Domain
Noel-Buxton, Noel Noel-Buxton, Baron, 1869-1948
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Lajos Tihanyi - Public Domain
Wittfogel, Karl August, 1896-1988
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Bain - Public Domain
Witherspoon, Herbert, 1873-1935
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unknown - Public Domain
Smit, Leo, 1900-1943
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Davis, Horace, 1831-1916
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Porter, John A. (John Addison), 1822-1866
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Thomas Gibson - Public Domain
Tailer, William, -1732
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Unknown military photographer - Public Domain
Anderson, Walter Stratton, 1881-
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Vaux, Richard, 1816-1895
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Gregory, Olinthus, 1774-1841
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Menzies, Robert, 1894-1978
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Marcoux, Joseph, 1791-1855