<bdi><a href="https://www.wikidata.org/wiki/Q1038970" class="extiw" title="d:Q1038970"><span title="German painter (1834-1900)">Carl Irmer</span></a>
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<a rel="nofollow" class="external text" href="http://www.arcadja.com/auctions/de/private/irmer_carl/kunstwerken/47536/0/?rvn=4">Van Ham Kunstauktionen, Köln, 24.10.2012, lot 205 via Arcadja auction results</a>