HARRISON, WILLIAM HENRY, President. Autograph letter signed ("Wm. H. Harrison, Capt. Commd.") to Major Isaac Craig, Fort Washington, 6 October 1797. 2 pages, small 4to, integral address leaf in Harrison's hand. Harrison, recently promoted to Captain, writes a brief letter while on duty at Fort Washington: "Sir, James McCreif has drawn provisions to include the 25th Instance." He resigned from the army the following year.