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Hinnk - CC BY-SA 3.0
Max Abraham - Public Domain
Unknown - Public Domain
Giovanni Boldini - Public Domain
Samhsa - Public Domain
Ron Baker (https://www.flickr.com/photos/kingsnake) - CC BY-SA 3.0
unknown - Public Domain
Dosio - Public Domain
Dover Street Studios, London. - Public Domain
Anthony22 -
E Onslow Ford (27 July 1852 – 23 December 1901) - Public Domain
Andy Newcombe - CC BY-SA 2.0
Noah.levinson123usa - CC BY-SA 3.0
Karon Liu at https://www.flickr.com/people/32153970@N07 -
Library of the London School of Economics and Political Science -
Desconocido (principios s. XIX) - Public Domain
Phot. Hausamann, Heiden / ETH Zürich - CC BY-SA 3.0
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Hinnk - CC BY-SA 3.0
Coppola, Christopher, 1962-
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Max Abraham - Public Domain
Abraham, Max, 1875-1922
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Unknown - Public Domain
Ewell, Marshall Davis, 1844-1928
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Kent, Rockwell, 1882-1971
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Giovanni Boldini - Public Domain
Brown, John-Lewis 1829-1890
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Samhsa - Public Domain
San Giacomo, Laura, 1962-....
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Muybridge, Eadweard, 1830-1904
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Ron Baker (https://www.flickr.com/photos/kingsnake) - CC BY-SA 3.0
Wonderland, Carolyn
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unknown - Public Domain
Preston, John Smith, 1809-1881
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Snyder, Solomon H., 1938-
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Dosio - Public Domain
Holm, Frits, 1881-1930
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Leto, Jared, 1971-....
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Dover Street Studios, London. - Public Domain
Gilly, Dinh
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Anthony22 -
Ludington, Sybil, 1761-
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E Onslow Ford (27 July 1852 – 23 December 1901) - Public Domain
Armstrong, Walter, Sir, 1850-1918
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Andy Newcombe - CC BY-SA 2.0
Lake, Oliver
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Porson, Richard, 1759-1808
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Céan Bermúdez, Juan Agustín, 1749-1829
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Eiermann, Egon, 1904-1970
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Floridablanca, José Moñino y Redondo, conde de, 1728-1808
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Noah.levinson123usa - CC BY-SA 3.0
Berg, Alan, 1932-
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Uniacke, Richard John, 1753-1830
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Karon Liu at https://www.flickr.com/people/32153970@N07 -
Giamatti, Paul
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Library of the London School of Economics and Political Science -
Cannan, Edwin, 1861-1935
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Lewis, John, 1675-1747
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Desconocido (principios s. XIX) - Public Domain
Guise, Martín Jorge, 1780-1828
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Sainton-Dolby, Charlotte H.
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Convers, Charles Cleveland, 1810-1860
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Peale, Rubens, 1784-1865
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Phot. Hausamann, Heiden / ETH Zürich - CC BY-SA 3.0
Bernoulli, Hans, 1876-1959