<bdi><a href="https://en.wikipedia.org/wiki/en:Carl_Arp" class="extiw" title="w:en:Carl Arp"><span title="German landscape painter (1867-1913)">Carl Arp</span></a>
</bdi>
<a rel="nofollow" class="external text" href="http://www.lot-tissimo.com/de/i/7453478/p/35/">Auktionshaus Stahl, 01.03.2014, lot 135 via lot-tissimo.com</a>