1. Ashley, W.J. 1891. The rehabilitation of Ricardo. Economic Journal 1: 474–489.
2. Bagehot, W. 1888. Ricardo. In Economic studies, as reprinted in The collected works of Walter Bagehot, vol. XI, ed. N. St John-Stevas. London: The Economist, 1978.
3. Blake, W. 1823. Observations on the effects produced by the expenditure of government during the restriction of cash payments. London: Murray.
4. Cannan, E. 1917. A history of the theories of production and distribution in English political economy from 1776 to 1848, 3rd ed. London: King.
5. Cannan, E. 1929. A review of economic theory. London: King.