4. L[ewis] D. Campbell, Speech of Hon. L. D. Campbell, of Ohio, on Southern Aggression—The Purposes of the Union—and the Comparative Effects of Slavery and Freedom. Delivered in the House of Representatives, February 19, 1850 (Washington, DC: Congressional Globe Office, 1850). (13 p.)


Speech rejecting the threats of disunion over the extension of slavery as absurd.