<bdi><a href="https://www.wikidata.org/wiki/Q1580033" class="extiw" title="d:Q1580033"><span title="German painter (1873-1936)">Hans Hartig</span></a>
</bdi>
<a rel="nofollow" class="external text" href="https://www.lot-tissimo.com/de-de/auction-catalogues/hargesheimer/catalogue-id-hg-dd10026/lot-4458f0b0-cb19-4d4e-94a4-a89000b49a49">Hargesheimer Kunstauktionen, Düsseldorf, 15. März 2018, lot 2695 via Lot-tissimo</a>