<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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Unknown date<div style="display: none;">Unknown date</div>
<a rel="nofollow" class="external text" href="https://www.sothebys.com/en/auctions/ecatalogue/2011/american-paintings-n08751/lot.67.html">Sotheby's, New York, 19 May 2011, lot 67</a>