1922 newspaper ad for Dunlop golf balls, from the USA
Dunlop Tire and Rubber
1922-06-23
New-York tribune. (New York [N.Y.]), 23 June 1922. Chronicling America: Historic American Newspapers. Lib. of Congress. &lt;<a rel="nofollow" class="external free" href="http://chroniclingamerica.loc.gov/lccn/sn83030214/1922-06-23/ed-1/seq-4/">http://chroniclingamerica.loc.gov/lccn/sn83030214/1922-06-23/ed-1/seq-4/</a>&gt;