Colfax, R. H. (1833). Evidence against the view of the abolitionists: Consisting of physical and moral proofs, of the natural inferiority of the negroes. J. T. M. Bleakley.

Colfax, Richard H. Evidence Against the View of the Abolitionists: Consisting of Physical and Moral Proofs, of the Natural Inferiority of the Negroes. New York: J. T. M. Bleakley, 1833.

Colfax, Richard H. Evidence Against the View of the Abolitionists: Consisting of Physical and Moral Proofs, of the Natural Inferiority of the Negroes. J. T. M. Bleakley, 1833.