<bdi><a href="https://en.wikipedia.org/wiki/en:Karl_Spruner_von_Merz" class="extiw" title="w:en:Karl Spruner von Merz"><span title="German cartographer (1803-1892)">Karl Spruner von Merz</span></a>
</bdi>
<a rel="nofollow" class="external text" href="http://www.davidrumsey.com/luna/servlet/detail/RUMSEY~8~1~34945~1180564">David Rumsey Historical Map Collection</a>