<bdi><a href="https://en.wikipedia.org/wiki/en:Ludwig_Knaus" class="extiw" title="w:en:Ludwig Knaus"><span title="German artist (1829–1910)">Ludwig Knaus</span></a>
</bdi>
1861<div style="display: none;">date QS:P571,+1861-00-00T00:00:00Z/9</div>
<a rel="nofollow" class="external text" href="https://www.lempertz.com/de/kataloge/lot/1029-3/1546-ludwig-knaus.html">Kunsthaus Lempertz, 17.05.2014, lot 1546</a>