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John Hoskins (I) - Public Domain
White House photographer - Public Domain
unknown photographer - Public Domain
David Shankbone - CC BY-SA 3.0
unknown - Public Domain
Folkworlds - CC BY-SA 3.0
Nils Asplund - Public Domain
1-555-confide - CC BY 3.0
Billy Hathorn - Public Domain
The w:Bureau of Engraving and Printing - CC BY-SA 3.0
François Clouet - Public Domain
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Scherr, Gregor von, 1804-1877
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John Hoskins (I) - Public Domain
North, Dudley North, Baron, 1602-1677
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Cochrane, Matthew Henry, 1823-1903
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Alencar, José Martiniano de, 1829-1877
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Dalton, Timothy, 1944-....
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White House photographer - Public Domain
Steinbeck, John, 1946-....
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unknown photographer - Public Domain
Sheehan, Winfield, 1883-1945
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Miller, Alfred Jacob, 1810-1874
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David Shankbone - CC BY-SA 3.0
Barber, Tiki, 1975-
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Stone, Marcus, 1840-1921
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unknown - Public Domain
König, Samuel, 1712-1757
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Folkworlds - CC BY-SA 3.0
Dillon, Mary, 1965-
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Costantini, Celso, 1876-1958
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Dedman, John, 1896-1973
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Perry, Matthew Calbraith, 1794-1858
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Daudelin, Charles, 1920-2001
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Kahn, Otto Hermann, 1867-1934
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Henry, Infante of Portugal, 1394-1460
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Nils Asplund - Public Domain
De Maré, Rolf, 1888-1964
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David Shankbone - CC BY-SA 3.0
Neuborne, Burt, 1941-
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1-555-confide - CC BY 3.0
Norris, David, 1944-
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Billy Hathorn - Public Domain
McDonald, William Jesse, 1852-1918
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Reed, John H. (John Hathaway), 1921-2012
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Polignac, Edmond, prince de, 1834-1901
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Conrad, Robert Taylor, 1810-1858
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Trotula
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Reutter, Otto, 1870-1931
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The w:Bureau of Engraving and Printing - CC BY-SA 3.0
Sewell, William Joyce, 1835-1901
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Julian, Emperor of Rome, 331-363
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François Clouet - Public Domain
Charles III, Duke of Lorraine, 1543-1608