Van Buren, M. (1836). Opinions of Martin Van Buren,: Vice president of the United States, upon the powers and duties of Congress, in reference to the abolition of slavery either in the slave-holding states or in the District of Columbia. To which are added sundry documents showing his sentiments upon other subjects. Washington [D.C.]:: Blair & Rives, printers..

Van Buren, Martin. Opinions of Martin Van Buren,: Vice President of the United States, Upon the Powers and Duties of Congress, in Reference to the Abolition of Slavery Either in the Slave-holding States or in the District of Columbia. To Which Are Added Sundry Documents Showing His Sentiments Upon Other Subjects. Washington [D.C.]:: Blair & Rives, printers., 1836.

Van Buren, Martin. Opinions of Martin Van Buren,: Vice President of the United States, Upon the Powers and Duties of Congress, in Reference to the Abolition of Slavery Either in the Slave-holding States or in the District of Columbia. To Which Are Added Sundry Documents Showing His Sentiments Upon Other Subjects. Washington [D.C.]:: Blair & Rives, printers., 1836.