The J. Paul Getty Museum
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The J. Paul Getty Museum: image dedicated to the public domain under Creative Commons Zero (CC0), stated on the media record itself ('Rights for Media'), with download clearance.
London Stereoscopic and Photographic Company. Mr. Paul Morphy, The great American Chess Player, And M. Lowenthal, President of the St. James's Chess Club., about 1857. The J. Paul Getty Museum.