<bdi><a href="https://www.wikidata.org/wiki/Q59378901" class="extiw" title="d:Q59378901"><span title="German wood engraver">Joachim Christian Adolf Friedrich</span></a>
</bdi>
<a href="https://en.wikipedia.org/wiki/en:Art_Institute_of_Chicago" class="extiw" title="w:en:Art Institute of Chicago"><span title="art museum and school in Chicago, United States">Art Institute of Chicago</span></a>:  online database:  entry  <a rel="nofollow" class="external text" href="https://www.artic.edu/artworks/6087?search_id=1">6087</a>