Statistics for occurrence #1 of “Massachusetts” in chapter 2, page 11 of Caroline E. Whitcomb, History of the Second Massachusetts Battery of Light Artillery (Nims' Battery): 1861-1865, compiled from records of the Rebellion, official reports, diaries and rosters:

...s Record of the Rebellion. Moore. Century Company's War Book. The Mississippi. J. V. Greene. The Nineteenth Army Corps. Irwin. Regimental and Battery Histories of New Hampshire and Massachusetts .
...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Massachusetts (Massachusetts, United States) 30,598 24 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.