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US State Department - Public Domain
Adam Buck (1759–1833) - Public Domain
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Ecelan -
Jrost minttheater - CC BY-SA 4.0
unknown - Public Domain
National Photo Company - Public Domain
Public Domain
F. Garneray - Public Domain
Mathew Brady - Public Domain
Stephen Malagodi - CC BY 3.0
F. W. Beaufort - Public Domain
Tilly Kettle (1735–1786) was a portrait painter - Public Domain
unknown -
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Anderson, Martin, 1936-....
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US State Department - Public Domain
Hickerson, John D. (John Dewey), 1898-
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Adam Buck (1759–1833) - Public Domain
Hunt, Henry, 1773-1835
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Internet Archive Book Images -
Ward, Samuel, 1786-1839
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Ecelan -
Berrocal, Miguel, 1933-....
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Innocent XIII, Pope, 1655-1724
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Doig, David, 1719-1800
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Jrost minttheater - CC BY-SA 4.0
Hunter, Norman Charles, 1908-1971
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Montefiore, C. G. (Claude Goldsmid), 1858-1938
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Spemann, Hans, 1869-1941
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Sleeper, Martha
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Cahill, Thaddeus, 1867-1934
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unknown - Public Domain
Martínez Barrio, Diego, 1883-1962
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National Photo Company - Public Domain
McGowan, Samuel, 1870-1934
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Iwakura, Tomomi, 1825-1883
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Public Domain
Monash, John, Sir, 1865-1931
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Overbury, Thomas, Sir, 1581-1613
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Cobham, Henry Brooke, Lord, 1564-1619
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F. Garneray - Public Domain
Raynal, abbé (Guillaume-Thomas-François), 1713-1796
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Stark, Freya, 1893-1993
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Mathew Brady - Public Domain
Washburn, Israel, 1813-1883
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Lemerre, Alphonse, 1838-1912
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Stephen Malagodi - CC BY 3.0
Morisseau-Leroy, Félix, 1912-1998
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F. W. Beaufort - Public Domain
Dale, R. W., 1829-1895
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Playfair, W. H. (William Henry), 1790-1857
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Nisargadatta, maharaj, 1897-1981
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Tilly Kettle (1735–1786) was a portrait painter - Public Domain
Small, William, 1734-1775
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unknown -
Siemiradzki, Henryk, 1843-1902
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Henderson, Caroline, 1962-
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Goodsir, John, 1814-1867