"Lithograph, by the French artist Paul Gavarni (Guillaume Sulpice Chevalier). Courtesy of the Yale University Art Gallery, Yale University, New Haven, Connecticut.
<bdi><a href="https://en.wikipedia.org/wiki/en:Paul_Gavarni" class="extiw" title="w:en:Paul Gavarni"><span title="French caricaturist (1804-1866)">Paul Gavarni</span></a>
</bdi>
Yale University Art Gallery <a rel="nofollow" class="external autonumber" href="http://ecatalogue.art.yale.edu/detail.htm?objectId=79346">[1]</a>