Источники

Annals of Congress, 1789—1824. Washington 1843—1856; Register of Debates in Congress 1825—1837. Washington 1825—1837; Congressional Globe, 1833—1873. Washington 1834— 1873.

A documentary history of the negro people in the United Stales. Ed. by H. Aptheker. New York 1951.

Documents of American history. Ed. by H. S. Commager. 3d cd. New York 1945. Historical statistics of the United States 1789—1945. A supplement to the Statistical abstract of the United States. Prep, by the Bureau of the census. Washington 1949.