<bdi><a href="https://en.wikipedia.org/wiki/en:Charles_Frederic_Ulrich" class="extiw" title="w:en:Charles Frederic Ulrich"><span title="American art painter (1858-1908)">Charles Frederic Ulrich</span></a>
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<a rel="nofollow" class="external text" href="http://www.sothebys.com/app/live/lot/LotDetail.jsp?sale_number=NY7668&amp;live_lot_id=104">Sotheby's, New York, 30 November 1999, lot 104</a>