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Mathew Brady - Public Domain
wd - Public Domain
Ben Wittick - Public Domain
Spencer Gore - Public Domain
Konrad Jacobs, Erlangen, Copyright is with MFO - CC BY-SA 2.0
Charles Coulston Gillispie, Robert Fox, I. Grattan-Guinness - Public Domain
Kingkongphoto & www.celebrity-photos.com - CC BY-SA 2.0
Harris and Ewing, Photographers - Public Domain
Diaz y Spencer - Public Domain
Kearns assistant J. Gill on assignment from Kearns for the Southerly Clubs - Public Domain
Luís Aleixo Boulanger - Public Domain
Bain - Public Domain
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Mathew Brady - Public Domain
Crawford, Jr., Samuel Wylie, 1829-1892
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Priuli, Girolamo, -1567
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wd - Public Domain
Gruber, Franz Xaver, 1787-1863
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Boccioni, Umberto, 1882-1916
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Ireland, Andy, 1930-
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Ben Wittick - Public Domain
Geronimo, 1829-1909
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Spencer Gore - Public Domain
Gore, Spencer Frederick, 1878-1914
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Nelson, Willie, 1933-
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Konrad Jacobs, Erlangen, Copyright is with MFO - CC BY-SA 2.0
Debreu, Gerard
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Bartlett, Murray, 1971-
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Baly, William, 1814-1861
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Charles Coulston Gillispie, Robert Fox, I. Grattan-Guinness - Public Domain
Laplace, Pierre Simon, marquis de, 1749-1827
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Bandello, Matteo, 1485-1561
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Montagu, Mrs. (Elizabeth), 1718-1800
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Hart, Oliver D.
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Kingkongphoto & www.celebrity-photos.com - CC BY-SA 2.0
Puente, Tito
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Dumas, Romain
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Saramago, José
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Parry, William Edward, Sir, 1790-1855
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Suydam, James Augustus, 1819-1865
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Harris and Ewing, Photographers - Public Domain
Morgan, Arthur E. (Arthur Ernest), 1878-1975
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Lashly, William
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Diaz y Spencer - Public Domain
Irisarri, Antonio José de 1786-1868
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Nesbitt, Miriam, 1873-1954
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Kearns assistant J. Gill on assignment from Kearns for the Southerly Clubs - Public Domain
Kearns, Michael, 1950-
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Garcia, Carlos P. (Carlos Polestico), 1896-1971
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Luís Aleixo Boulanger - Public Domain
Silva, Francisco Manuel da, 1795-1865
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Bain - Public Domain
Mills, Harriet May, 1857-1935
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Currier, Moody, 1806-1898
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McMullen, Sean, 1948-....