<bdi><a href="https://en.wikipedia.org/wiki/en:Herman_Hartwich" class="extiw" title="w:en:Herman Hartwich"><span title="American painter (1853-1926)">Herman Hartwich</span></a>
</bdi>
<a rel="nofollow" class="external free" href="https://americanart.si.edu/artwork/cape-cod-sand-dune-10042">https://americanart.si.edu/artwork/cape-cod-sand-dune-10042</a>