Statistics for occurrence #1 of “Seth Webb, Jr.” in chapter 7, page 231 of Edward L. Pierce, Memoir and letters of Charles Sumner: volume 3:

...Soil leaders who had been Whigs least obnoxious to the Democrats, as he had never been a partisan of Whig policy, and in Whig conventions had taken part only to press resolutions against slavery. Seth Webb, Jr. , an active Free Soiler, on the morning of the day after the election, left a memorandum in Sumner's office
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