Statistics for occurrence #1 of “Charles Sumner” in chapter 30, page 284 of Edward L. Pierce, Memoir and letters of Charles Sumner: volume 2:

publishers have secured the valuable editorial services of Charles Sumner , Esq., whose distinguished professional reputation is a sufficient assurance that the department of the work intrusted to his hands — the addition of the American cases and the recent English d...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Charles Sumner 10,966 1,048 62 4 0 user votes
M. Charles Sumner 20 0 0 0 0 user votes
Charles Sumner Jacobs 4 0 0 0 0 user votes
Canada Charles Sumner 4 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.