To George Washington from Francis Willis, Jr., 6 September 1773 [letter not found]
Letter not found: from Francis Willis, Jr., 6 Sept. 1773. Thomas Birch’s Sons catalog 663, item 73 lists: “Letters from Francis Willis, Jr., to Col. Geo. Washington, Leesburg, August 16, September 6, October 17, and December 22, 1773; and September 1, December 6, 1774.”