<bdi><a href="https://en.wikipedia.org/wiki/en:Carl_Spitzweg" class="extiw" title="w:en:Carl Spitzweg"><span title="German painter (1808-1885)">Carl Spitzweg</span></a>
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<a rel="nofollow" class="external text" href="http://www.auction.de/_scripts/auctions_object.php?sale=692&amp;id=692&amp;firstid=433&amp;lastid=740&amp;language=e">Nagel Auktionen Stuttgart, 20 February 2013, lot 709</a>