[Monticello, 16 Aug. 1821. SJL entry reads, in brackets, “pavilion. cistern Sep. 3.” Letter not found, but in his financial records for 29 Sept. 1821 TJ indicated that he had paid “Chisolm’s Lewis gratuity for cistern 1.D.” (MB description begins James A. Bear Jr. and Lucia C. Stanton, eds., Jefferson’s Memorandum Books: Accounts, with Legal Records and Miscellany, 1767–1826, 1997, The Papers of Thomas Jefferson, Second Series description ends , 2:1379).]