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Public Domain
Sir_George_Hayter - Public Domain
NBC Television - Public Domain
US Embassy Canada - CC BY 2.0
Contemporary portrait - Public Domain
Lev Leonidov Scanned and processed by Mariluna - Public Domain
http://picasaweb.google.com/linmep - CC BY-SA 3.0
United States Congress - Public Domain
Annie Fromentin-Sangnier - CC BY-SA 3.0
Mexy Segura - CC BY-SA 3.0
Charles Roscoe Savage - Public Domain
Fotograf: Croes, Rob C. / Anefo. Auteursrechthebbende: Nationaal Archief, CC-BY-SA. Cropped by Zinneke. - CC BY-SA 3.0
unknown photographer - Public Domain
ServiceAT - CC BY-SA 3.0
Thomon - Public Domain
J.P. Ziolo - Public Domain
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Ben-Amotz, Dan
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Public Domain
Fraser, John, 1827-1878
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Secchia, Peter F., 1937-
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Wilhelmine, Margravine, consort of Friedrich, Margrave of Bayreuth, 1709-1758
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Sir_George_Hayter - Public Domain
Mudford, William, 1782-1848
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Greenglass, David, 1922-....
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NBC Television - Public Domain
Gwynne, Fred
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Becher, Johannes Robert, 1891-1958
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Stäudlin, Carl Friedrich, 1761-1826
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Bierce, Ambrose, 1842-1914?
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US Embassy Canada - CC BY 2.0
Xu, Xi 1954-....
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Contemporary portrait - Public Domain
Channing, William Ellery, 1780-1842
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Lev Leonidov Scanned and processed by Mariluna - Public Domain
Chaliapin, Boris
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http://picasaweb.google.com/linmep - CC BY-SA 3.0
Peyron, Loi͏̈ck, 1959-....
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United States Congress - Public Domain
Takai, Mark, 1967-2016
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Annie Fromentin-Sangnier - CC BY-SA 3.0
Marc, Robert, 1943-1993
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Onsager, Lars, 1903-1976
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Mexy Segura - CC BY-SA 3.0
Phelps, William H. (William Henry), 1875-
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Charles Roscoe Savage - Public Domain
Smith, John, 1832-1911
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Mortier, Edouard, 1768-1835, duc de Trévise
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Kurtz, Charles M. (Charles McMeen), 1855-1909
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Aveling, Edward B., 1849-1898
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Fotograf: Croes, Rob C. / Anefo. Auteursrechthebbende: Nationaal Archief, CC-BY-SA. Cropped by Zinneke. - CC BY-SA 3.0
Thorn, Gaston
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Teleki, Sámuel, gróf, 1845-1916
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unknown photographer - Public Domain
Clift, Denison H. 1885-1961
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ServiceAT - CC BY-SA 3.0
Gunn, J. E. (James Edward), 1938-
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Perkins, Charles C. (Charles Callahan), 1823-1886
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Young, Faron
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Thomon - Public Domain
Dominioni, Camillo Caccia
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J.P. Ziolo - Public Domain
Gautier, Léon, 1832-1897