<bdi><a href="https://en.wikipedia.org/wiki/en:Hans_Thoma" class="extiw" title="w:en:Hans Thoma"><span title="German painter and graphic artist (1839-1924)">Hans Thoma</span></a>
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<a rel="nofollow" class="external text" href="https://www.van-ham.com/artistdatabase/hans-thoma/schwarzwaldwiese.html">Van Ham Kunstauktionen, Köln, 15.11.2018, lot 1259</a>