Abolition Agitation.—McMaster, History of the People of the United States, Vol. VI, pp. 271-298.
Calhoun's Defense of Slavery.—Harding, Select Orations Illustrating American History, pp. 247-257.
The Compromise of 1850.—Clay's speech in Harding, Select Orations, pp. 267-289. The compromise laws in Macdonald, Documentary Source Book of American History, pp. 383-394. Narrative account in McMaster, Vol. VIII, pp. 1-55; Elson, History of the United States, pp. 540-548.
The Repeal of the Missouri Compromise.—McMaster, Vol. VIII, pp. 192-231; Elson, pp. 571-582.
The Dred Scott Case.—McMaster, Vol. VIII, pp. 278-282. Compare the opinion of Taney and the dissent of Curtis in Macdonald, Documentary Source Book, pp. 405-420; Elson, pp. 595-598.
The Lincoln-Douglas Debates.—Analysis of original speeches in Harding, Select Orations pp. 309-341; Elson, pp. 598-604.
Biographical Studies.—Calhoun, Clay, Webster, A.H. Stephens, Douglas, W.H. Seward, William Lloyd Garrison, Wendell Phillips, and Harriet Beecher Stowe.