<bdi><a href="https://en.wikipedia.org/wiki/en:Carl_Strathmann" class="extiw" title="w:en:Carl Strathmann"><span title="German painter of Art Nouveau">Carl Strathmann</span></a>
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<a rel="nofollow" class="external text" href="http://www.bonhams.com/auctions/19993/lot/6056/">Bonhams, San Francisco, 20 Mai 2012, lot 6056</a>