Robert Owen's opening speech, and his reply to the Rev. Alex. Campbell, in the recent public discussion in Cincinnati, to prove that the principles of all religions are erroneous, and that their practice is injurious to the human race also, Mr. Owen's memorial to the republic of Mexico, and a narrative of the proceedings thereon - Owen, Robert (Published for R. Owen, 1829)
Goldsmiths'-Kress no. 26037. - OCLC, 18264536. - Reproduction of original from Goldsmiths' Library, University of London