This collection contains records pertaining to the military service of James T. Eubank. The primary part of the group is a letterbook kept by Eubank when he was deputy quartermaster in the U.S. Army during the War of 1812. The book dates from March 29, 1813, to March 16, 1814, and was written at places such as Miami Rapids, Fort Meigs, and Newport. The letters incude an eight-page account of the siege and battle of Fort Meigs. A letter written by General William Henry Harrison to General James Taylor in 1830 about the military service of Eubank is sewn into the volume. The book also contains accounts for the Adjutant General, which also date from 1813 to 1814. There are two commissions in the state militia for Eubank dated 1809 and 1811 respectively, which were issued by Governor Charles Scott.