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United States Congress - Public Domain
Mathew Brady Levin Corot Handy - Public Domain
Jay Godwin - Public Domain
Georges Biard - CC BY-SA 3.0
Avda - CC BY-SA 3.0
Ludwik Szacinski - CC BY-SA 4.0
Krdunnam - CC0 1.0
Rembrandt Peale - Public Domain
unknown - Public Domain
United States Historical Office? - Public Domain
Henri Manuel - Public Domain
original uploader - Public Domain
Henry Hering (1814-1893) - Public Domain
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Apple Computer, Inc
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Havard, Michel
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United States Congress - Public Domain
Smith, Linda, 1950 July 16-
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Clarke, Charles Cowden, 1787-1877
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Arundel, Thomas Howard, Earl of, 1585-1646
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Mathew Brady Levin Corot Handy - Public Domain
Goff, Nathan, 1843-1920
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Jay Godwin - Public Domain
Barnes, Ben F., 1938-....
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Georges Biard - CC BY-SA 3.0
Sitruk, Jules, 1990-...
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Avda - CC BY-SA 3.0
Borofsky, Jonathan, 1942-....
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Ludwik Szacinski - CC BY-SA 4.0
Brandes, Georg, 1842-1927
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Krdunnam - CC0 1.0
Wald, Carol
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Craven, Elizabeth Craven, Baroness, 1750-1828
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Rembrandt Peale - Public Domain
Levin, Lewis C. (Lewis Charles), 1808-1860
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unknown - Public Domain
Saxton, Joseph, 1799-1873
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Lindahl, Axel, 1841-1906
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United States Historical Office? - Public Domain
Walker, Mr. (James David), 1830-1906
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Henri Manuel - Public Domain
Châteaubriant, Alphonse de, 1877-1951
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Norman, Montagu, 1871-1950
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original uploader - Public Domain
Lallemand, Charles François Antoine, baron, 1774-1839
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Frederik VI, King of Denmark, 1768-1839
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Lagrange, Joseph, Comte, 1761-1836,
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Smith, Oliver Prince, 1893-1977
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unknown - Public Domain
Taut, Bruno, 1880-1938
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Hall, Nathan Kelsey, 1810-1874
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Hummel, Ferdinand, 1855-1928
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Henry Hering (1814-1893) - Public Domain
Clifford, William Hugh Joseph (bishop)
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Varda, Agnès, 1928-
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Sharp, Thomas, 1693-1758
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unknown - Public Domain
Laughlin, J. Laurence (James Laurence), 1850-1933
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Hearst, William Randolph, 1908-1993