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Vinit11 - CC BY-SA 4.0
Johann Zoffany - Public Domain
US government - Public Domain
Rob Mieremet - CC BY-SA 3.0
Uknown, Subject in the photo died on 10th October, 1862, thus more than 70 years have passed since taken. - Public Domain
Al pie de la imagen figuran los siguientes datos: "Leonardo de Vinci lo pintó - B. Vazquez lo grabó. - Public Domain
Vicky.singh092 - CC BY-SA 3.0
Public Domain
Victor Georg - Public Domain
unknown - Public Domain
88rex - CC BY-SA 3.0
Joseph Brown, after a photograph by John Jabez Edwin Mayall - Public Domain
UK government - Public Domain
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Cobham, Richard Temple, Viscount of, 1669?-1749.
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Lie, Sophus, 1842-1899
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Vinit11 - CC BY-SA 4.0
Chartrand, Gary.
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Johann Zoffany - Public Domain
Welsh, James, 1775-1861
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Rouse, John, 1574-1652
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Harris, George Washington, 1814-1869
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US government - Public Domain
Fowler, Henry H., 1908-2000
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Langton, Bennet, 1737-1801
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Rob Mieremet - CC BY-SA 3.0
Murphy, Lionel, 1922-
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Uknown, Subject in the photo died on 10th October, 1862, thus more than 70 years have passed since taken. - Public Domain
Thorp, Charles, 1783-1862
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Proust, Antonin, 1832-1905
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Al pie de la imagen figuran los siguientes datos: "Leonardo de Vinci lo pintó - B. Vazquez lo grabó. - Public Domain
Leiva, Antonio de 1480-1536
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Argote de Molina, Gonzalo, 1549-1596
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Foley, Mark, 1954-
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Vicky.singh092 - CC BY-SA 3.0
Padmanabhan, T. (Thanu), 1957-
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Wang, Mingdao, 1900-1991
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Faik, Naum, 1868-1930.
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Public Domain
Gunther, C. Godfrey (Charles Godfrey), 1822-1885
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Victor Georg - Public Domain
Graves, Ralph, 1900-1977
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Rowicki, Witold, 1914-1989
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unknown - Public Domain
Pareto, Vilfredo, 1848-1923
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Public Domain
Laughlin, Gregory H., 1942-
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Lanier, Sidney, 1842-1881
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88rex - CC BY-SA 3.0
Graziani, Rodolfo, 1882-1955
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Bernhart, Milt, 1926-2004
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unknown - Public Domain
Bausset, Louis-François de (1748-1824).
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Joseph Brown, after a photograph by John Jabez Edwin Mayall - Public Domain
Greville, Charles, 1794-1865
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Dix, Morgan, 1827-1908
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Tarski, Alfred
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UK government - Public Domain
Foley, Frank, 1884-1958