<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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1. <a rel="nofollow" class="external text" href="http://collection.mam.org/details.php?id=7760">Milwaukee Art Museum, online collection</a><br>2. <a rel="nofollow" class="external text" href="https://www.google.com/culturalinstitute/asset-viewer/5wEJUwbK_dYd6A">Google Arts &amp; Culture</a>