<bdi><a href="https://www.wikidata.org/wiki/Q20926489" class="extiw" title="d:Q20926489"><span title="German painter (1740-1796)">Carl Ludwig Hackert</span></a>
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<a rel="nofollow" class="external text" href="http://www.arcadja.com/auctions/de/hackert_carl_ludwig/kunstler/59239/">Fischer Lucerne, 18.06.2014, lot 1240 via ARCADJA auction results</a>