Nullification, Secession, Webster's Argument, and the Kentucky and Virginia Resolutions Considered in Reference to the Constitution and Historically

Remarks of Mr. Calhoun of South Carolina on the bill to prevent the interference of certain federal officers in elections: delivered in the Senate of the United States February 22, 1839

Speeches of the Hon. Jefferson Davis, of Mississippi; delivered during the summer of 1858.

Strictures on Nullification

The Alternative: A Separate Nationality; or, The Africanization of the South

The Crisis of Eighteen Hundred and Sixty-One in the Government of the United States. Its Cause, and How It Should Be Met

Webster's Seventh of March Speech and the Secession Movement, 1850