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Ralph Winwood Robinson (1862–1942) - Public Domain
Sir kiss - Public Domain
Robert Stewart - CC BY-SA 2.0
Editor: Leslie Greenhalgh, - Public Domain
unknown - Public Domain
Jacques Lubin - Public Domain
Shelburne Museum - CC BY-SA 4.0
Alimass123 - CC BY-SA 3.0
M. Buchberger - Public Domain
Hans Peters (ANEFO) - CC0 1.0
Thaler - CC BY-SA 3.0
user at project - Public Domain
Buchtel and Stolte - Public Domain
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Campbell, Alexander, 1788-1866
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Ralph Winwood Robinson (1862–1942) - Public Domain
Woods, Henry, 1846-1921
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Sir kiss - Public Domain
Ḳroyanḳer, Daṿid
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Chamberlain, Austen, Sir, 1863-1937
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Jovanović, Slobodan, 1869-1958
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Rubens, Peter Paul, 1577-1640
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Buonafede, Appiano, 1716-1793
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Robert Stewart - CC BY-SA 2.0
Dith Pran, 1942-2008
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Münsterberg, Hugo, 1863-1916
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Thomas, Francis, 1799-1876
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Editor: Leslie Greenhalgh, - Public Domain
Perry, L. Tom, 1922-
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Berrien, John MacPherson, 1781-1856
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Smith, Willie, 1897-1973
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unknown - Public Domain
Schwarzenberg, Adolf, 1890-1950
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Jacques Lubin - Public Domain
Sirmond, Jacques, 1559-1651
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Ferrer Guardia, Francisco, 1859-1909
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Shelburne Museum - CC BY-SA 4.0
Webb, Electra Havemeyer, 1888-1960
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Alimass123 - CC BY-SA 3.0
Graham, Rodney, 1949-....
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M. Buchberger - Public Domain
Faulhaber, Michael von 1869-1952
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Groome, Francis Hindes, 1851-1902
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Alfonso IV d'Este, Duke of Modena and Reggio, 1634-1662
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Hans Peters (ANEFO) - CC0 1.0
Balkt, H. H. ter, 1938-....
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Harvey, D. W. (Daniel Whittle), 1786-1863
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Booth, Edwin, 1833-1893
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unknown - Public Domain
Brinkley, Nell, 1886-1944
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Thaler - CC BY-SA 3.0
Schleich, Wolfgang
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Bell, Samuel N. (Samuel Newell), 1829-1889
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user at project - Public Domain
Stenerud, Jan, 1942-
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Buchtel and Stolte - Public Domain
Abernethy, George, 1807-1877
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Ewing, John Hoge, 1796-1887