Carl Jakob Wilhelm Ludwig Koch (1827–1882), german paleontologist
unknown, Stahlstich v. Carl Mayer's Kunstanstalt in Nürnberg
<a rel="nofollow" class="external text" href="https://books.google.com/books?id=V4gWAQAAIAAJ&amp;pg=PP14">Jahrbücher des Nassauischen Vereins für Naturkunde, Volumes 35-36</a>