<bdi><a href="https://en.wikipedia.org/wiki/en:Colin_Campbell_Cooper" class="extiw" title="w:en:Colin Campbell Cooper"><span title="American artist (1856-1937)">Colin Campbell Cooper</span></a>
</bdi>
<a href="https://en.wikipedia.org/wiki/Christie%27s" class="extiw" title="en:Christie's">Christie's</a>, LotFinder:  entry  <a rel="nofollow" class="external text" href="https://www.christies.com/LotFinder/lot_details.aspx?intObjectID=5073639">5073639</a> (sale 2003, lot 59, New York, 21 May 2008)