. . . . . "the most popular pro-slavery tract" . "A Treatise on the Patriarchal, or Co-operative System of Society" . . "A Treatise on the Patriarchal or Co-operative System of Society as it Exists in some Governments and Colonies in America, and in the United States, under the Name of Slavery, with its Necessity and Advantages" . "A Treatise on the Patriarchal, or Co-operative System of Society" . . . "a ''Treatise''" . "an 1829 ''Treatise''" . . .