Statistics for occurrence #1 of “Plymouth County” in chapter 2, section c.2.1, page 7 of Medford Historical Society Papers, Volume 10.:

...g society, was the founder and secretary of the Old Colony Peace Society. In fact, he appears to have been the secretary in most of the societies with which he was connected. He was active in the Plymouth County Bible Society, and the year he
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Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Plymouth County (Massachusetts, United States) 51 14 3 0 0 user votes
Plymouth County (Iowa, 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.