Example #2: Speech from Representative Charles Pinckney of South Carolina on the topic of admitting slaves into Missouri, February 1820. Warning: these words are deeply racist and therefore troubling to read.
Example #3: Robert Hayne of South Carolina, discussing the American Colonization Society in the Senate, March 1826.
Example #4: William Smith, circa 1824--30, in Freehling, Prelude to Civil War, 118.
Example #5: Robert Turnbull, The Crisis, published pseudonymously as "Brutus" in 1827.
Example #6: William Preston
Example #7: John C. Calhoun
Example #8: James Hamilton, Jr., Charleston Mercury, September 29, 1830. If you click on this hyperlink to find the original newspaper, I should note that the September 28 edition is followed by the 29th (they're part of the same link).
Example #9: The United States Telegraph, anonymous editorial reprinted from another newspaper, February 25, 1833
Example #10: Judge William Harper, Convention Speech, March 11, 1833, from this book, pp. 49—50.