The fonds consists of subject files, a nominal roll, and slate of officers, war diaries, orders, and a Sergeant's Mess Cash Book.

The fonds consists of lecture notes, a field message book, photographs from World War I, and maps relating to the activities of the 15th Field Artillery Regiment and the batteries it perpetuated.

The fonds consists of maps, a ration book, travel documents, a nominal roll, a field message book, a roll book, letters, maps, and photographs relating to the activities of the 15th Field Artillery Regiment.