Statistics for occurrence #1 of “Berkshire” in chapter 3 of William Schouler, A history of Massachusetts in the Civil War: Volume 2:

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Berkshire is the most westerly county in the Commonwealth. It is bounded north by Bennington County, Vermont; west by Rensselaer and Columbia Counties, New York; south by Litchfield County, Connecticut; and ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Berkshire (United Kingdom) 73 8 5 0 0 user votes
Berkshire (New York, United States) 1 0 1 0 0 user votes
Berkshire (Connecticut, United States) 0 0 0 0 0 user votes
Berkshire (New York, United States) 0 0 0 0 0 user votes
Berkshire (Ohio, United States) 0 0 0 0 0 user votes
Berkshire (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.