<a href="https://en.wikipedia.org/wiki/William_Gropper" class="extiw" title="w:William Gropper">w:William Gropper</a>, Communist cartoonist, 1923.
Photographer uncredited and unknown. Published by <i>The Liberator</i> in New York City.
1923-03
<i><a href="https://en.wikipedia.org/wiki/The_Liberator_(magazine)" class="extiw" title="w:The Liberator (magazine)">The Liberator</a></i> (March 1923), vol. 6 <a rel="nofollow" class="external text" href="http://dlib.nyu.edu/liberator/books/lib000064/#35">p. 35</a> – scan via the Tamiment Library &amp; Robert F. Wagner Labor Archives at New York University.