Statistics for occurrence #1 of “Middlesex” in chapter 7 of William Schouler, A history of Massachusetts in the Civil War: Volume 1:

...orcester, were sent. The old camp at Lynnfield was continued, and designated Camp Stanton, which served as the general rendezvous of recruits from the counties of Barnstable, Bristol, Dukes, Essex, Middlesex , Norfolk, Nantucket, Plymouth, and Suffolk. Until further orders, Lieutenant-Colonel Lincoln, of the Thirty-fourth Regiment, which was then being recruited, was placed in command of Camp Wool; and ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Middlesex (United Kingdom) 115 0 3 0 0 user votes
Middlesex (Belize) 2 0 0 0 0 user votes
Middlesex (Jamaica) 0 0 0 0 0 user votes
Middlesex (New Jersey, United States) 0 0 0 0 0 user votes
Middlesex (New York, United States) 0 0 0 0 0 user votes
Middlesex (North Carolina, United States) 0 0 0 0 0 user votes
Middlesex (Ohio, United States) 0 0 0 0 0 user votes
Middlesex (Vermont, United States) 0 0 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.