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Robert Scoble -
Howard Lake - CC BY-SA 2.0
Charles Balthazar Julien Fevret de Saint-Mémin (1770-1852) - Public Domain
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ABC Television - Public Domain
Who-When-What Company - Public Domain
unknown<br />Original uploader was :de:Paenultima - Public Domain
William Notman - Public Domain
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Louis Edward Nollau - Public Domain
Camille Silvy - Public Domain
Brianmcmillen - CC BY-SA 4.0
Peter_Ellis - CC BY-SA 3.0
Brady-Handy Photograph Collection (Library of Congress) - Public Domain
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William Percy - Public Domain
Waugh, Edwin, 1817-1890
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Davidson, J. (James), 1868-
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Robert Scoble -
Gergen, David R. (David Richmond), 1942-
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Howard Lake - CC BY-SA 2.0
Chalke, Steve
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Charles Balthazar Julien Fevret de Saint-Mémin (1770-1852) - Public Domain
Van Rensselaer, K. K. (Killian Killian), 1763-1845
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Philips, John, 1676-1709
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Washington, George Corbin, 1789-1854
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Hitchcock54 - CC BY-SA 4.0
Keeffe, Barrie, 1945-....
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Wellman, H. R. (Harry Richard), 1899-1997
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Scott Catron - CC BY-SA 2.0
Grant, Amy
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Sassoferrato, 1609-1685
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ABC Television - Public Domain
Clark, Dave, 1942-
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Who-When-What Company - Public Domain
Baker, Conrad, 1817-1885
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unknown<br />Original uploader was :de:Paenultima - Public Domain
Haller, Karl Ludwig von, 1768-1854
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William Notman - Public Domain
Beers, W. George (William George), 1843-1900
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Jeffdelonge - CC BY-SA 3.0
Legrand, Jacques, 1940-....
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Romina Espinosa - CC BY-SA 3.0
Lovitz, Jon
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Louis Edward Nollau - Public Domain
Rupp, Adolph, 1901-1977
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Camille Silvy - Public Domain
Garnier, T. (Thomas), 1809-1863
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Dunstan, Saint, 909-988
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Brianmcmillen - CC BY-SA 4.0
Threadgill, Henry
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Suffolk, William de la Pole, Duke of, 1396-1450
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Loftus, Adam, 1533 or 1534-1605
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Buckner, Richard, 1964-
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Leader, Benjamin Williams, 1831-1923
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Respighi, Ottorino, 1879-1936
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Osborne, Mary Pope
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Peter_Ellis - CC BY-SA 3.0
Nicholls, Doug, 1906-1988
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Deruet, Claude, 1588-1660
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Brady-Handy Photograph Collection (Library of Congress) - Public Domain
Blair, Montgomery, 1813-1883