Photo of Frederick Hobbs, James Hay and <a href="https://en.wikipedia.org/wiki/Bertha_Lewis" class="extiw" title="en:Bertha Lewis">Bertha Lewis</a> in <i><a href="https://en.wikipedia.org/wiki/The_Pirates_of_Penzance" class="extiw" title="en:The Pirates of Penzance">The Pirates of Penzance</a></i>, 1919.
<a rel="nofollow" class="external free" href="http://math.boisestate.edu/gas/pirates/web_op/pirates18.html">http://math.boisestate.edu/gas/pirates/web_op/pirates18.html</a>