Ad for newsreel service Pathé News with the British airship R34, page 980 of the August 2, 1919 <i>Motion Picture News</i>.
Pathe News
<a rel="nofollow" class="external text" href="https://archive.org/details/motionpicturenew201unse"><i>Motion Picture News</i> (Jul-Aug 1919)</a>] at the Internet Archive