<bdi><a href="https://en.wikipedia.org/wiki/en:Albert_Bierstadt" class="extiw" title="w:en:Albert Bierstadt"><span title="American painter">Albert Bierstadt</span></a>
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<a rel="nofollow" class="external text" href="https://www.sothebys.com/en/auctions/ecatalogue/2012/american-paintings-n08828/lot.48.html">Sotheby's, New York, 05 April 2012, lot 48</a>