1To Benjamin Franklin from Robert Pigott, [after 27 December 1781] (Franklin Papers)
AL : American Philosophical Society Mr Pigott presents respectfull compliments to his Excellency...
2To Benjamin Franklin from Robert Pigott, 26 November 1782 (Franklin Papers)
ALS : American Philosophical Society I ought in duty to have wrote before this time to express...
3To Benjamin Franklin from Robert Pigott, 27 June 1783 (Franklin Papers)
ALS : American Philosophical Society I have a long time intended to address you this Letter...