Advertisement for Bayer Aspirin, on page 8 of the August 6, 1920 <i>The Duluth Herald</i>.
Selznick Pictures Corporation / Select Pictures Corporation
<a rel="nofollow" class="external text" href="https://archive.org/details/duluthherald8311920unse/page/n90"><i>The Duluth Herald</i> (Aug. 1920)</a> on the Internet Archive