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<a href="https://en.wikipedia.org/wiki/Peter_Stephen_Du_Ponceau" class="extiw" title="w:Peter Stephen Du Ponceau">Peter Stephen Du Ponceau</a> (earlier Pierre-Étienne du Ponceau; 3 June 1760 – 1 April 1844).</div>
<a rel="nofollow" class="external text" href="https://books.google.com.sg/books?id=QbUGAAAAMAAJ">Google Books</a>.