Df, R-Ar, Letters from the Governor (1778-1779), vol. 3, p. 13. Addressed at top: "State of Rhode Island &./Capt. Nathaniel Coddington." Docketed: "Rough Draft of Letter of Credit and Orders/to Capt. Coddington of Sloop Diamond/March 7th. 1778." The letter of credit is on the reverse of document.