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Among the Willows
Powder Men of the Brandywine
'The First Fifty Years at Carney's Point', The Carney's Pointer
'DuPont - 77 Years Along The Niagara', Yerkes News
DuPont Historical Highlights, 'Cellophane Observer'
'An Industrial Chemical Achievement in New Jersey', The Indicator
The production of gunpowder in Pennsylvania during the American Revolution