Clay, Henry 1777-1852 Speech of Mr. Clay, of Kentucky, in Support of His Propositions to Compromise on the Slavery Question; 3 Clay, Henry 1777-1852 Speech of Henry Clay, in Defence of the American System, Against the British Colonial System [microform]: With an Appendix of Documents Referred to in the Speech Clay, Henry 1777-1852 Speech of Mr. Clay, of Kentucky, in Support of His Propositions to Compromise on the Slavery Question