Statistics for occurrence #1 of “William Sumner” in chapter 4 of Edward L. Pierce, Memoir and letters of Charles Sumner: volume 1:

...uitted himself. In his vacations, Sumner saw something of country life, walking once to Hanover, with his friend William H. Simmons, and occasionally passing a few days with his father's uncle, William Sumner , who lived on what is now River Street, in Hyde Park, then a part of Dorchester. This relative died in 1836, at the age of eighty-seven. The Neponset River flows just in the rear of his house. ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
William Sumner 31 25 1 1 0 user votes
William Sumner Tufts 2 0 0 0 0 user votes

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