Image from Wikimedia Commons
Original uploader was Michaelsanders - Public Domain
John Derbyshire or an associate -
Arnolfo di Cambio - Public Domain
unknown -
Mathew Brady Levin Corot Handy - Public Domain
Unknown photographer. Uploaded by Realismadder -
unknown - Public Domain
Marc Ferro - CC BY-SA 3.0
Public Domain
Ti66 - CC BY-SA 3.0
Seattle World's Fair newsroom. There's a photographer's mark at lower left but I can't make out the signature. - Public Domain
:en:Administrative Office of the United States Courts - Public Domain
Gage Skidmore - CC BY-SA 3.0
Mathew Brady or Levin Handy - Public Domain
Dennis Wile -
Image from Wikimedia Commons
Original uploader was Michaelsanders - Public Domain
Margaret, of York, Duchess, consort of Charles the Bold, Duke of Burgundy, 1446-1503
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Springer, Jerry, 1944-
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Dicenta, Joaquín, 1862-1917
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John Derbyshire or an associate -
Derbyshire, John.
Image from Wikimedia Commons
Arnolfo di Cambio - Public Domain
Boniface VIII, Pope, -1303
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Hayes, Christopher, 1979-
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unknown -
Soubeiran, Eugène, 1797?-1858
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García Márquez, Gabriel, 1928-
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Pringle, John, Sir, 1707-1782
Image from Wikimedia Commons
Mathew Brady Levin Corot Handy - Public Domain
Stokes, William B., 1814-1897
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Unknown photographer. Uploaded by Realismadder -
Ulmanis, Kārlis, 1877-1942
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unknown - Public Domain
Dodge, David Low, 1774-1852
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Marc Ferro - CC BY-SA 3.0
Ferro, Marc
Image from Wikimedia Commons
Public Domain
Mendele Mokher Sefarim, 1835-1917
Image from Wikimedia Commons
Ti66 - CC BY-SA 3.0
Dacosta, António, 1914-1990
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Barthelmess, Richard, 1895-1963
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Seattle World's Fair newsroom. There's a photographer's mark at lower left but I can't make out the signature. - Public Domain
Munsel, Patrice, 1925-
Image from Wikimedia Commons
:en:Administrative Office of the United States Courts - Public Domain
Hinojosa, Ricardo H., 1950-
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Rovelli, Carlo, 1956-....
Image from Wikimedia Commons
Gage Skidmore - CC BY-SA 3.0
Bassett, Angela, 1958-
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Saussure, René de 1868-1943
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Mathew Brady or Levin Handy - Public Domain
Henderson, John B. (John Brooks), 1826-1913
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Graff, Anton, 1736-1813
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Berwald, Franz, 1796-1868
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Montale, Eugénio, 1896-1981
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Adam, Adolphe, 1803-1856
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Dennis Wile -
Sims, Michael, 1958-....
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MacDonald, Malcolm, 1901-1981
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Browne, W.A.F. (William Alexander Francis), 1806-1885
Image from Wikimedia Commons
Serrat, Joan Manuel, 1943-