To George Washington from John Cowper, 12 May 1788 [letter not found]
Letter not found: from John Cowper, 12 May 1788. On 25 May GW wrote Cowper: “I have been duly favored with your letter of the 12th Inst.”
Letter not found: from John Cowper, 12 May 1788. On 25 May GW wrote Cowper: “I have been duly favored with your letter of the 12th Inst.”