<bdi><a href="https://www.wikidata.org/wiki/Q1648904" class="extiw" title="d:Q1648904"><span title="German painter (1796-1866)">Karl Friedrich Schulz</span></a>
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<a rel="nofollow" class="external text" href="http://www.sothebys.com/en/auctions/ecatalogue/2007/an-important-private-collection-from-hanover-am1020/lot.149.html">Sotheby's Amsterdam, 27 March 2007, lot 149</a>