<bdi><a href="https://en.wikipedia.org/wiki/en:Karol_D._Witkowski" class="extiw" title="w:en:Karol D. Witkowski"><span title="Polish-American artist">Karl Witkowski</span></a>
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<a rel="nofollow" class="external text" href="https://fineart.ha.com/c/item.zx?saleNo=5030&amp;lotNo=65072">Heritage Auctions (Dallas), 21 Oct 2009, lot 65072</a>