<a href="https://en.wikipedia.org/wiki/Calvin_Coolidge" class="extiw" title="w:Calvin Coolidge">Calvin Coolidge</a>. 30th President of the United States (1923-1929)
<a href="https://en.wikipedia.org/wiki/Charles_Hopkinson" class="extiw" title="w:Charles Hopkinson">Charles Hopkinson</a>
1932
<a rel="nofollow" class="external text" href="http://hamsey.bsvr.co.uk/assetbank-whha/action/viewAsset?id=148&amp;index=6&amp;total=54&amp;view=viewSearchItem">The White House Historical Association (White House Collection)</a>