Statistics for occurrence #1 of “Mystic” in chapter 19 of Historic leaves, volume 1, April, 1902 - January, 1903:

...e was in his forty-third year. Winthrop had the original charter of Massachusetts Bay-Colony, and was vested with the title of Governor. He landed at Salem June 17, and on June 18 sailed up the Mystic river, stopping at Fort Maverick, Noddle's Island, now East Boston; thence he went to Charlestown, where he built a house. Sometime in 1631, probably in the early spring, Governor Winthrop built ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Mystic (California, United States) 2 0 0 0 0 user votes
Mystic (Georgia, United States) 1 0 1 0 0 user votes
Mystic (Colorado, United States) 0 0 0 0 0 user votes
Mystic (Iowa, United States) 0 0 0 0 0 user votes
Mystic (Kentucky, United States) 0 0 0 0 0 user votes
Mystic (Louisiana, United States) 0 0 0 0 0 user votes
Mystic (Missouri, 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.