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2 Bridenbaugh, Carl, “The Great Mutation,” American Historical Review, LXVIII (Jan., 1963), 326.
3 Lauber, Almon Wheeler, Indian Slavery in Colonial Times Within the Present Limits of the United States, Columbia University Studies in History, Economics and Public Law, No. 134 (New York: Columbia University Press, 1913), p. 291.
4 Curtin, Philip D., The Atlantic Slave Trade (Madison: University of Wisconsin Press, 1969), p. 268.
6 Roger T. Anstey, “Capitalism and Slavery: A Critique,” Economic History Review, XXI (Aug., 1968), 307–20; Fage, J. D., “Introduction to the Second Edition”, in Sir Reginald Coupland's The British Anti-Slavery Movement (London: Frank Cass & Co., 1964), pp. xvii–xx; Porter, Dale H., The Abolition of the Slave Trade in England, 1784–1807 (Hampden, Conn.: Archon Books, 1970); Ward, W. E. F., The Royal Navy and the Slavers (London: George Allen and Unwin, Ltd., 1969), pp. 16–20.
7 Williams, Eric, Capitalism and Slavery (New York: Capricorn Books, 1966), pp. 149–50.
8 Anstey, “Capitalism and Slavery …, ” 307–20; Porter, The Abolition of the Slave Trade …, passim.
9 Conrad, Alfred H. and Meyer, John R., “The Economics of Slavery in the Ante Bellum South,” Journal of Political Economy, LXVI (Apr., 1958), 101.
10 Mercer, Lloyd J., “Rates of Return for Land-Grant Railroads: The Central Pacific System,” The Journal of Economic History, XXX (Sept., 1970), 615–16, 626.
11 Solow, Robert M., Capital Theory and The Rate of Return (Amsterdam: North-Holland Publishing Co., 1963), pp. 95–6.
12 Kuznets, Simon, “Statistics and Economic History,” The Journal of Economic History, I (May, 1941), 38.
13 Bridenbaugh, “The Great Mutation,” 327.