Statistics for occurrence #1 of “John C. Breckinridge” in chapter 15 of Edward L. Pierce, Memoir and letters of Charles Sumner: volume 3:
...utler and Caleb Cushing, both of Massachusetts, who were in sympathy with them. These seceders, who, disciples of Calhoun, (lid not think Douglas Southern and pro-slavery enough in his position, put John C. Breckinridge (afterwards a general in the Confederate army) in nomination.
In May, a remnant of conservative Whigs, known as the Constitutional Union party, nominated John Bell for President and Edward Everett...
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