This letter was written by Harry S. Truman, to his future wife, Bess Wallace. At the time he wrote the letter, he was with the 129th Field Artillery in training at Camp Doniphan, Oklahoma. The letter was written November 24, 1917.
This Letter is from the National Archives. From Collection HST-FBP: Harry S. Truman Papers Pertaining to Family, Business and Personal Affairs, 1876 - 1959. ARC Identifier 200641