United States. Army. Maine Heavy Artillery Regiment, 1st (1863-1865)

found: No place for little boys, 1997:p. 1 (18th Maine Volunteers was mustered into service Aug. 21, 1862; designation changed Jan. 6, 1863 to First Maine Heavy Artillery)

found: Union Army, 1861-1865, 1989:v.1, p. 330 (1st Maine Heavy Artillery (regiment))

found: Union Army, 1908, p. 63(under Maine Regiments: First Heavy Artillery; org. as the 18th infantry, but was changed to heavy artillery after five months' service, and by general order, series of 1862, was designated as the 1st regiment, heavy artillery, Maine volunteers; original members mustered out on 6 June 1865; but the org., composed of veterans and recruits and others, remained in service and was mustered out at Washington, D.C., 11 Sept. 1865)