1To Benjamin Franklin from [Grey] Cooper, [1762?] (Franklin Papers)
AL : American Philosophical Society Mr. Cooper presents his Compliments to Mr. Franclin and begs...
2From Benjamin Franklin to [Grey Cooper], [1764?–1775] (Franklin Papers)
ALS : Frank Glenn, Kansas City, Missouri (1955) I used to put two Ounces of Bark finely powdered...
3To Benjamin Franklin from Grey Cooper, [1765–1775] (Franklin Papers)
AL : American Philosophical Society Mr. Cooper presents his Compliments to Dr. Franklin and...
4From Benjamin Franklin to Grey Cooper, 24 June 1768 (Franklin Papers)
ALS : Yale University Library Inclos’d I send, for the Ladies, a Piece of the Bark Cloth with...
5From Benjamin Franklin to Grey Cooper, 11 July 1769 (Franklin Papers)
ALS : Mr. Albert M. Greenfield (1955) An Application being about to be made for a Grant of Lands...
6To Benjamin Franklin from Grey Cooper, 13 October 1769 (Franklin Papers)
ALS : American Philosophical Society I Shall come to Town on Monday next, and will [with] great...
7From Benjamin Franklin to Sir Grey Cooper, 11 December 1777 (Franklin Papers)
AL (draft): Library of Congress; copies: Library of Congress, Harvard University Library...
8From Benjamin Franklin to Grey Cooper, 7 November 1780 (Franklin Papers)
Copy, press copy, and transcript: National Archives; copy: Library of Congress I understand that...
9To Benjamin Franklin from Grey Cooper, 29 November 1780 (Franklin Papers)
Copy, press copy, and transcript: National Archives I have received the Honour of your Letter, in...