University of Pennsylvania dental students observing surgery in the Oral Surgery Clinic at the former Philadelphia General Hospital
<div class="fn value">
Gilbert Studios, Philadelphia, PA</div>
circa 1910 <div style="display: none;">date QS:P571,+1910-00-00T00:00:00Z/9,P1480,Q5727902</div>
<a rel="nofollow" class="external text" href="http://hdl.library.upenn.edu/1017/d/archives/20020415001">Page</a>