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 - Kingsley, Zephaniah ([s.n.], 1829)
Goldsmiths'-Kress no. 25995. - OCLC, 18240127. - Preface signed: Z. Kingsley. - Reproduction of original from Goldsmiths' Library, University of London