<bdi><a href="https://en.wikipedia.org/wiki/en:Adalbert_Waagen" class="extiw" title="w:en:Adalbert Waagen"><span title="German landscape painter (1834-1898)">Adalbert Waagen</span></a>
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<a rel="nofollow" class="external text" href="http://www.duesseldorfer-auktionshaus.de/">(2011/1)</a>