<div class="fn value">
Unknown author<span style="display: none;">Unknown author</span></div>
1809<div style="display: none;">date QS:P571,+1809-00-00T00:00:00Z/9</div>
<cite class="book" style="font-style:normal" id="Reference-[[:Category:Friedrich_Justin_Bertuch|F._J._Bertuch]]-1809"><a href="//commons.wikimedia.org/wiki/Category:Friedrich_Justin_Bertuch" title="Category:Friedrich Justin Bertuch">F. J. Bertuch</a> (1809)      <i> <a rel="nofollow" class="external text" href="https://books.google.com/books?id=y78YAAAAYAAJ">Allgemeine geographische Ephemeriden, Band 28, Stück 4</a></i>, <a href="https://en.wikipedia.org/wiki/en:Weimar" class="extiw" title="w:en:Weimar"><span title="city in the federal state of Thuringia, Germany">Weimar</span></a>:  Landes - Industrie - Comptoir Retrieved on 31 March 2012. <small></small></cite>