1To James Madison from Cornelius C. Blatchly, 6 May 1815 (Madison Papers)
The inclosed pamph[l]et on the custom of war, and proposing a remedy to end it, appears so...
2To Thomas Jefferson from Cornelius C. Blatchly, 6 October 1822 (Jefferson Papers)
The New-York-society for promoting Communities, have requested me to transmit to thee one of...