Statistics for occurrence #1 of “Middlesex County” in chapter 5 of Francis Jackson Garrison, William Lloyd Garrison, 1805-1879; the story of his life told by his children: volume 3:

...position to a deed actually accomplished, but rebuked those of their colleagues whose conscience and zeal outran their discretion as practical men. Meantime in Massachusetts a mass meeting for Middlesex County had been called at Concord to consider the encroachments of the Slave Power. Hardly a Liberty Party man was present, but Mr. Garrison again endeavored to inspire his Whig political associates with...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Middlesex County (Massachusetts, United States) 213 4 1 0 0 user votes
Middlesex County (Virginia, United States) 131 0 3 0 0 user votes
Middlesex County (Connecticut, United States) 0 0 0 0 0 user votes
Middlesex County (New Jersey, 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.