<a href="https://en.wikipedia.org/wiki/Bernhard_von_Cotta" class="extiw" title="en:Bernhard von Cotta">Bernhard von Cotta</a> (1808–1879), was a German geologist.
<bdi><a href="https://en.wikipedia.org/wiki/en:August_Weger" class="extiw" title="w:en:August Weger"><span title="German engraver">August Weger</span></a>
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Bernhard von Cotta: <i>Die Geologie der Gegenwart</i> (2. Auflage) 1867 <a rel="nofollow" class="external free" href="https://books.google.com/books?id=xik-AAAAcAAJ&amp;pg=PP8">https://books.google.com/books?id=xik-AAAAcAAJ&amp;pg=PP8</a>