Mann, H. (1849). Slavery and the slave-trade in the District of Columbia: Speech of Horace Mann, of Massachusetts, in the House of Representatives, February 23, 1849. [Washington?: s.n..
Chicago Style CitationMann, Horace. Slavery and the Slave-trade in the District of Columbia: Speech of Horace Mann, of Massachusetts, in the House of Representatives, February 23, 1849. [Washington?: s.n., 1849.
MLA CitationMann, Horace. Slavery and the Slave-trade in the District of Columbia: Speech of Horace Mann, of Massachusetts, in the House of Representatives, February 23, 1849. [Washington?: s.n., 1849.