L, DLC, George Washington Papers, Series 4. Addressed at foot: "General Washington/&ca. &ca." Docketed: "From/Genl Howe 19 March 1778/ansd 22." The beginning of the letter, up to the word "Barrels", is missing from the recipient's copy and has been taken from the retained copy in UkLPR, PRO 30/55, Gen. Sir Guy Carleton Papers, vol. 9, no. 1028.