Angier B. Duke and his fiancée, Cordelia Biddle, at Palm Beach
<bdi><a href="https://en.wikipedia.org/wiki/en:Underwood_%26_Underwood" class="extiw" title="w:en:Underwood &amp; Underwood"><span title="American photo studio and photo agency">Underwood &amp; Underwood</span></a>
</bdi>
1915
<p>The New York times (New-York [N.Y.]), February 28, 1915
</p>
<ul><li><a rel="nofollow" class="external free" href="https://www.loc.gov/resource/sn78004456/1915-02-28/ed-1/?sp=11">https://www.loc.gov/resource/sn78004456/1915-02-28/ed-1/?sp=11</a></li></ul>