L, M-Ar, Mass. Archives Coll., vol. 199 (Revolution Letters, 1778), p. 397. Addressed below the close: "Hone J. Powell Esqr." This same day, Powell had Artemas Ward draft a letter to Maj. Gen. John Sullivan that requested that an enclosed copy of this letter be given to Vice-amiral comte d'Estaing. M-Ar. Mass. Archives Coll., vol. 22 (Council Records 1778), p.382 and Mass. Archives Coll., vol. 199 (Revolution Letters, 1778), p.403.