L, M-Ar, Mass. Archives Collection, Revolutionary Rolls, vol. 8 (Various-Charter Parties-Relating to Prisoners), p. 151. Addressed: "To/Mr: R, Pierpont/Commissary of Prisoners,/at Boston." Docketed: "Charles Waller's/Letter Commissary/of Prisoners at Newport/to Robt. Pierpoint/Esqe—/Feby 28t 1778—." Notatation next to address: "C. Waller/Commry: Prisrs:." On 14 Feb. Joseph Henderson succeeded Robert Pierpont as Masschusetts commissary of prisoners.