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unknown - Public Domain
Mathew Brady Levin Corot Handy - Public Domain
unattributed - Public Domain
City of Boston Archives - CC BY 2.0
John Chester Buttre, from a daguerreotype by Major Moulthrop - Public Domain
original uploader - Public Domain
Arad Thomas - Public Domain
U.S Army Office of Public Affairs (Washington, DC). - Public Domain
LordRedthorn - CC BY-SA 4.0
Ktrichards - CC BY-SA 3.0
Original uploader was wSaboten land - Public Domain
Sebastiaan ter Burg - CC BY-SA 2.0
Herbert Lambert - CC0 1.0
José Antonio Bielsa Arbiol - CC BY 3.0
CBS Radio - Public Domain
Public Domain
Guihem D. - Public Domain
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unknown - Public Domain
Mourelle de la Rúa, Francisco Antonio, 1750-1820
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Mathew Brady Levin Corot Handy - Public Domain
Cannon, George Q. (George Quayle), 1827-1901
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Durer, Albrecht der Altere
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Green, Julien, 1900-1998
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unattributed - Public Domain
Zollicoffer, Felix Kirk, 1812-1862
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City of Boston Archives - CC BY 2.0
Snyder, Mitch
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Smith, A. E. (Algernon Emory), 1842-1876
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García de Paredes, Diego 1466-1534
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Singer, Charles, 1876-1960
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John Chester Buttre, from a daguerreotype by Major Moulthrop - Public Domain
Goodrich, Chauncey A. (Chauncey Allen), 1790-1860
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original uploader - Public Domain
Bracken, Thomas, 1841-1898
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Presley, Priscilla Beaulieu
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Arad Thomas - Public Domain
Hard, Gideon, 1797-1885
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U.S Army Office of Public Affairs (Washington, DC). - Public Domain
Johnson-Brown, Hazel W. (Hazel Winifred), 1927-2011
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LordRedthorn - CC BY-SA 4.0
Lenat, Douglas B.
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Harrison, Charles Custis, 1844-1929
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Ktrichards - CC BY-SA 3.0
Richards, Gavin, 1946-
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Chicheley, Thomas, 1614-1699
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Original uploader was wSaboten land - Public Domain
Utagawa, Toyokuni, 1786-1865
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Evelyn, Judith, 1913-1967
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Sebastiaan ter Burg - CC BY-SA 2.0
Mwapachu, Juma Volter
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Anstey, Christopher, 1724-1805
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Herbert Lambert - CC0 1.0
Quilter, Roger, 1877-1953
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José Antonio Bielsa Arbiol - CC BY 3.0
Saura, Carlos, 1932-....
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Simpson, G. C. (George Clarke), Sir, 1878-1965
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Vogel, Albert, 1874-1933
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CBS Radio - Public Domain
Lawrence, Elliot, 1925-....
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Public Domain
Lavrov, P. L. (Petr Lavrovich), 1823-1900
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Aratus, Solensis
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Guihem D. - Public Domain
Deane, Thomas, 1792-1871