United States. Army. Massachusetts Infantry Regiment, 6th (1861-1864)

found: Lenfest, S.A. The diary of Solomon Augustus Lenfest ... 1975:t.p. (Sixth Massachusetts Infantry) p. 1 (nine month volunteer regiment)

found: The Union Army, 1908,v. 1, p. 170 (under: Massachusetts: Sixth Infantry: it offered its services in Jan. 1861; the term of service was Apr. 22 - Aug. 2, 1861; a call for troops for 9 months was from Aug. 31/Sept. 8, 1862 ... they were mustered out June 3, 1863; another term of service was from Apr. 22 - Aug. 2, 1984)

found: Dyer, F.H. Compendium of the war of the rebellion, 1959:p. 1250 (6th Regimental Infantry; militia: 3 months, 1861; 9 mos., 1862-1863; 100 days, July-Oct. 1864)