Contents: Introduction; The causes of slavery or serfdom: a hypothesis, E.D. Domar; Some considerations relating to property rights in man, S. Engerman; The volume of the Atlantic slave trade: a synthesis, Paul E. Lovejoy; The inter-Atlantic paradigm: the failure of Spanish medieval colonization of the Canary and Caribbean Islands, A.M. Stevens-Arroyo; Waranga, Akan and the Portuguese in the 15th and 16th centuries, I. Wilks; Slavery in Africa and the slave trades from Africa, Janet J. Ewald; Slaves and society in Western Africa, c. 1445-c. 1700, J.D. Fage; Estimating aboriginal American population: an appraisal of techniques with a new hemispheric estimate, Henry F. Dobyns; The Indian population of North America in 1492, J.D. Daniels; The Tainos of Hispaniola, F. Moya Pons; Indian labor and new world plantations: European demands and Indian responses in northern Brazil, S.B. Schwartz; Cultural change and military resistance in Araucanian Chile, 1550-1730, R.C. Padden; From Indian to slave: forced native labour and colonial society in Sao Paulo during the 17th century, John M. Monteiro; Iberian expansion and the issue of black slavery: changing Portuguese attitudes 1440-1700, A.J.R. Russell-Wood; English trade with the Portuguese empire in West Africa, 1581-1629, J.W. Blake; Protestants as pirates, slavers and proto-missionaries: Sierra Leone 1568 and 1582, P.E.H. Hair; From Africa to the Americas: ethnicity in the early black communities of the Americas, Colin A. Palmer; Index.