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ABC Television - Public Domain
Gerrard - Public Domain
Public Domain
not stated - Public Domain
author - CC0 1.0
Franmarie Metzler - Public Domain
anonymous - Public Domain
Claudio Elias - Public Domain
Adolf Dauthage Foto: Peter Geymayer - Public Domain
John Moffat (1819-1894), published 1910 and author listed as ''Moffat, Edinburgh'' - Public Domain
unknown - Public Domain
Gilbert Stuart - Public Domain
Mathew Brady Levin Corot Handy - Public Domain
US gov - Public Domain
Ed Newman - CC BY 2.0
Artist unknown. - Public Domain
Rudolf Lehmann - Public Domain
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ABC Television - Public Domain
Young, Otis, 1932-2001
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Carracci, Annibale, 1560-1609
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Hofland, Mrs. (Barbara), 1770-1844
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Gerrard - Public Domain
Smith, Frank, 1854-1940
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Gayle, Margot.
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Public Domain
Henselt, Adolf von 1814-1889
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Public Domain
Marmette, Joseph, 1844-1895
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not stated - Public Domain
Sheehan, Patrick Augustine, 1852-1913
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Ayscough, Francis, 1700-1763
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author - CC0 1.0
Mola, Emilio, 1887-1937
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Duveen, Joseph Duveen, Baron, 1869-1939
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Franmarie Metzler - Public Domain
Houlahan, Chrissy, 1967-
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anonymous - Public Domain
Berlioz, Harriet Smithson, 1800-1854
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Claudio Elias - Public Domain
Barco Centenera, Martín del, 1535-
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Adolf Dauthage Foto: Peter Geymayer - Public Domain
Napier, Charles, 1786-1860
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John Moffat (1819-1894), published 1910 and author listed as ''Moffat, Edinburgh'' - Public Domain
Dowden, John, 1840-1910
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unknown - Public Domain
Flanders, Helen Hartness, 1890-1972
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Public Domain
Trutch, Joseph W. (Joseph William), Sir, 1826-1904
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Landau, L. D. (Lev Davidovich), 1908-1968
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Gilbert Stuart - Public Domain
Thornton, Edward, Sir, 1766-1852
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Dalhousie, Fox Maule-Ramsay, Earl of, 1801-1874
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Public Domain
Du, Fu, 712-770
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Mathew Brady Levin Corot Handy - Public Domain
Johnston, John W. (John Warfield), 1818-1889
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US gov - Public Domain
Green, Theodore Francis, 1867-1966
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Ed Newman - CC BY 2.0
Cheatham, Doc
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Artist unknown. - Public Domain
Northumberland, John Dudley, Duke of, 1502-1553
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Franklin, William, 1731-1813
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Cadwalader, John, 1805-1879
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Rudolf Lehmann - Public Domain
Lehmann, Rudolf, 1819-1905
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Public Domain
Totten, Charles Adiel Lewis, 1851-1908