History Workshop Centre for Social History (Oxford, England), & Archer, L. J. (1988). Slavery and other forms of unfree labour. Routledge.

History Workshop Centre for Social History (Oxford, England), and Léonie J. Archer. Slavery and Other Forms of Unfree Labour. London ; New York: Routledge, 1988.

History Workshop Centre for Social History (Oxford, England), and Léonie J. Archer. Slavery and Other Forms of Unfree Labour. Routledge, 1988.