Letters to his parents describing camp life in the Union Army, chiefly in western campaigns in Mississippi. In June 1864 he was in a hospital in Huntsville, Alabama, but was soon moved to Nashville, Tenn.'s Cumberland Hospital. He was later sent to Resaca, Georgia and later transferred to the Army of the Potomac occupying Petersburg, Virginia. His regiment was later shipped to Louisville, Kentucky, where he remained until July 1865. Brown wrote about encountering captured Confederate soldiers as well as his travels and experiences as an officer.