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3. Robbins, L. 1958. Robert Torrens and the evolution of classical economics. London: Macmillan.
4. Torrens, R. 1815. An essay on the external corn trade; Containing an inquiry into the general principles of that important branch of traffic; an examination of the exceptions to which these principles are liable; and a comparative statement of the effects which restrictions on importation and free intercourse are calculated to produce upon subsistence, agriculture, commerce, and revenue. London: Hatchard.
5. Torrens, R. 1818. Strictures on Mr Ricardo’s doctrine respecting exchangeable value. Edinburgh Magazine, October. As reprinted in R. Torrens, The economists refuted and other early economic writings, ed. P. Groenewegen. University of Sydney: Reprints of Economic Classics, 1984.