Genf, von Westen, von Sankt-Jean; Genf; Aquatinta, koloriert
Unknown author<span style="display: none;">Unknown author</span>; Verlag: Lamy
<a rel="nofollow" class="external text" href="http://www.helveticarchives.ch/detail.aspx?ID=479388">helveticarchives.ch</a>; Swiss National Library, Prints and Drawings Department