1To Thomas Jefferson from Robert Porterfield, 1 February 1781 (Jefferson Papers)
Charleston, S.C. 1 Feb. 1781. Reports the death on 10 Jan. of his brother Col. Charles...
2To James Madison from Robert Porterfield, 19 February 1816 (Madison Papers)
Ro Porterfield has this moment rec’d The Presidents polite invitation of the 17th. He will do...