<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>
</bdi>
1. <a rel="nofollow" class="external text" href="http://objektkatalog.gnm.de/objekt/Gm2069">Germanisches Nationalmuseum</a><br>2. <a href="https://en.wikipedia.org/wiki/en:Bridgeman_Art_Library" class="extiw" title="w:en:Bridgeman Art Library"><span title="library">Bridgeman Art Library</span></a>:  Object <a rel="nofollow" class="external text" href="https://www.bridgemanimages.co.uk/en/asset/292261">292261</a><br>