<a href="https://en.wikipedia.org/wiki/Charles_Emmett_Mack" class="extiw" title="en:Charles Emmett Mack">Charles Emmett Mack</a> in <i><a href="https://en.wikipedia.org/wiki/Motion_Picture_Magazine" class="extiw" title="en:Motion Picture Magazine">Motion Picture Classic</a></i>, July 1926. The original caption reads: "Charles Emmett Mack was raised among the Pennsylvania miners. He was a member of the Griffith studio crew when the dean of directors selected him for a rôle in 'Dream Street.'"
<p>Brewster Publications<br></p>
(Life time: 1977)
<p><b>Original publication</b>: Motion Picture Classic<br></p>
<b>Immediate source</b>: <a rel="nofollow" class="external free" href="https://archive.org/stream/motion1724moti#page/n951/mode/2up">https://archive.org/stream/motion1724moti#page/n951/mode/2up</a>