1Joseph Milligan to Thomas Jefferson, 21 February 1817 (Jefferson Papers)
I wrote on the 9 th instant enclosing you the prospectus it has not yet been returned I have received the 3 rd & 4 th proofs in the due course of the mail from the date of your return i ng them RC ( DLC ); endorsed by TJ as received 27 Feb. 1817 and so recorded in SJL ; with notation by TJ beneath endorsement: “his 9 th