The American union : a discourse delivered on Thursday, December 12, 1850, the day of the annual thanksgiving in Pennsylvania, and repeated on Thursday, December 19, in the Tenth Presbyterian Church, Philadelphia - Boardman, Henry A. (Henry Augustus), 1808-1880. (Philadelphia : J.B. Lippincott & Co., 1860)
Also available in digital form on the Internet Archive Web site.
Keywords: United States -- Politics and government -- 1849-1853; Secession