Harvard Regiment
- Information on 20th Regiment of Massachusetts Volunteer.
- http://harvardregiment.org/

11th Massachusetts Infantry
- History, roster, statistics, descendants and pictures of the voluntary group which served in the War of the Rebellion from June 13, 1861 to July 14, 1865.
- http://hookerbrigade.morssweb.com/?11ma/index.htm

53rd Massachusetts Volunteer Infantry
- Historical information, including service record, field officers, staff, units and company rosters.
- http://homepage.mac.com/netchemistwb/53rd_Mass_f/53rd_Mass.html

54th Massechusetts Volunteer Infantry, Company I
- Civil War reenactors portray the experience of the African American soldier in the American Civil War in South Carolina; membership information, events schedule.
- http://www.awod.com/gallery/probono/cwchas/54ma.html

54th Massachusetts Company B Volunteer Infantry Regiment
- Washington, DC based non-profit organization comprised of amateur historians recreating the history of this Civil War unit.
- http://www.54thmass.org/

Massachusetts Artillery
- Descriptive information on Civil War regiments and battalions.
- http://www.civilwararchive.com/Unreghst/unmaarty.htm

28th Massachusetts Infantry
- Regimental history, roster, flags, soldiers' letters, plus information on The Irish in the war and reenactor information.
- http://www.28thmass.org/

20th Massachusetts Infantry
- Officers, letters, battles, monuments, and general information on "The Harvard Regiment".
- http://www.people.virginia.edu/~mmd5f/

27th Massachusetts Infantry
- History, flags, company rolls, battles time line and regimental indexes.
- http://www.fitzware.com/mass27th/

Massachusetts Civil War Research Center
- Collection of information pertaining to soldiers, sailors and marines who served in Massachusetts units and regiments during the Civil War.
- http://www.massachusettscivilwar.com/