<bdi><a href="https://en.wikipedia.org/wiki/en:Albert_Anker" class="extiw" title="w:en:Albert Anker"><span title="Swiss artist (1831-1910)">Albert Anker</span></a>
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<a rel="nofollow" class="external text" href="https://www.kollerauktionen.ch/it/311905-0001-5033-anker_-albert-_1831-ins-1910_-5033_138782.html">Koller Auktionen, Zürich, 07.12.2012, lot 3016</a>