Statistics for occurrence #1 of “Mr. Sumner” in chapter 120 of C. Edwards Lester, Life and public services of Charles Sumner: Born Jan. 6, 1811. Died March 11, 1874.:

...st, neither he nor his friends could rely upon Washington magistrates. But the Mayor finally brought the ringleader, who was a Virginian, and a well-known office-holder under the administration, to Mr. Sumner 's room to apologize. The correspondents of the Chicago Press and Tribune, wrote, June 5th: The speech of Charles Sumner yesterday, was probably the most masterly and exhaustive argument agai...
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