<bdi><a href="https://en.wikipedia.org/wiki/en:Carl_Gustav_Carus" class="extiw" title="w:en:Carl Gustav Carus"><span title="German philosopher, physician, painter (1789-1869)">Carl Gustav Carus</span></a>
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1. <a rel="nofollow" class="external text" href="http://www.bildindex.de/">Bildindex der Kunst und Architektur</a>: object <a rel="nofollow" class="external text" href="https://www.bildindex.de/document/obj00003881"><i>00003881</i></a> – photograph number <a rel="nofollow" class="external text" href="https://www.bildindex.de/?pnegnr:%22C%20667.015%22"><i>C 667.015</i></a> – image file <a rel="nofollow" class="external text" href="http://www.bildindex.de/bilder/fmc667015a.jpg"><i>fmc667015a.jpg</i></a><br>2./3. <a rel="nofollow" class="external text" href="http://www.smkp.de/sammlungen/gemaeldegalerie/highlights.html">Kunstpalast Düsseldorf</a>