found: NUCMC data from New London County Hist. Soc. for Winthrop Saltonstall letter, 1804(John Porter; correspondent; Comptroaler [sic], Hartford, Conn.)
found: Conn. State Lib. WWW, May 18, 2007(under Brief Descriptions of Conn. State Agencies: Office of the State Comptroller; list of commissioners: John Porter, town & pol. Lebanon, O; term of service: 1793-1806; years of service: 13 yrs.)
found: Google Book Search WWW, May 22, 2007(under Biog. Sketches of the Graduates of Yale College, p. 630-631: John Porter, b. Oct. 27, 1757 in Lebanon, Conn.; appt. by the Gen. Assembly as Comptroller in 1793 of the State [Connecticut]; retained office until his death on May 28th, 1806, in his 48th year)