Leslie Behell, "The Decline and Fall of Slavery in Nineteenth Century Brazil," Transactions of the Royal Historical Society, 6th Ser., Vol. 1. (1991), pp. 71-88 (There were paragraphs used from this article for section of "abolition of slavery")
Seymour Drescher, "Brazilian Abolition in Comparative Perspective," The Hispanic American Historical Review', Vol. 68, No. 3. (Aug., 1988), pp. 429-460 (Used in section of abolition)
Richard Graham, "Causes for the Abolition of Negro Slavery in Brazil: An Interpretive Essay," The Hispanic American Historical Review , Vol. 46, No. 2. (May, 1966), pp. 123-137 (Used in section of abolition)
