It contains the civil war papers of Captain Marshall A. Carpenter, including a diary from 1862, one photograph in uniform and one from after the war, his 1863 commission as a captain in Company C, 15th Infantry Regiment, Vermont Militia, his 1865 commission as 2nd Lieutenant in the 7th Regiment, Vermont Militia, a post-war pension claim from 1895, and several letters to support the pension claims from soldiers who had served in his unit.