AbstractGet full access to this articleView all access options for this article.Get accessReferences1. James Duffy , A Question of Slavery: Labour Policies in Portuguese Africa and the British Protest, 1850-1920 ( Oxford, Clarendon Press : Oxford University Press, 1967), reviewed in Race (Vol. IX, No. 3, January 1968).2.Africa Report (Washington D.C., November 1967).
