1Enclosure: Pierre Samuel Du Pont de Nemours’s Notes on the Encouragement of American Manufactures, [ca. 31 March 1816] (Jefferson Papers)
Aurora (Philadelphia newspaper); publishes essay by P. S. Du Pont de Nemours [index entry]
2Enclosure: Contemporary Translation of Pierre Samuel Du Pont de Nemour’s Notes on the Encouragement of American … (Jefferson Papers)
Aurora (Philadelphia newspaper); publishes essay by P. S. Du Pont de Nemours [index entry]