1Charges Advanced by George Nicholas, with Jefferson’s Answers, [after 31 July 1781] (Jefferson Papers)
...in TJ’s hand, one of which is a polygraph copy of the other; these are identical in phrasing...
2Thomas Jefferson to John Wayles Eppes, 5 January 1811 (Jefferson Papers)
. it is a bad Polygraph copy; however it is legible. there is nothing secret in...
3Thomas Jefferson to Joseph C. Cabell, 15 January 1818 (Jefferson Papers)
on reading afterwards the polygraph copy retained, I observed in the