1To George Washington from Colonel Thaddeus Kosciuszko, July 1779 (Washington Papers)
I have only two Masons as yet Some from the Main Army, and do not expect any more, the Officers...
2To George Washington from Thaddeus Kosciuszko, 9 Sept. 1779 [letter not found] (Washington Papers)
Letter not found : from Thaddeus Kosciuszko, 9 Sept. 1779. On 9 Sept., GW acknowledged...