1To George Washington from John Polson, 15 December 1770 [letter not found] (Washington Papers)
Letter not found: from John Polson, 15 Dec. 1770. On 24 June 1771 GW wrote to Polson : “Your...
2To George Washington from John Polson, 20 April 1771 [letter not found] (Washington Papers)
Letter not found: from John Polson, 20 April 1771. On 24 June GW wrote to Polson: “Your letters...