<bdi><a href="https://en.wikipedia.org/wiki/en:L%C3%A9on_Richet" class="extiw" title="w:en:Léon Richet"><span title="French painter (1843–1907)">Léon Richet</span></a>
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<a rel="nofollow" class="external text" href="http://www.sothebys.com/en/auctions/ecatalogue/2007/19th-century-european-art-n08303/lot.161.html">Sotheby's New York, 18 April 2007, lot 161</a>