7th Unattached Company, Massachusetts Infantry (Militia)
Dyer, Frederick H. A Compendium of the War of the Rebellion. Vol. 2. Powder Springs, GA Eastern Digital Resources, 2003 Ref. A concise summary of the regiment's service.
Massachusetts. AGO. Massachusetts Soldiers, Sailors and Marines in the Great Civil War. Norwood, MA: Norwood Pr, 1931. pp. 682-734. E513.3M32v1. Contains a roster of the regiment.