Gras, N. S. B. (1915). The evolution of the English corn market from the twelfth to the eighteenth century. Harvard University.
Cita Chicago Style (17a ed.)Gras, Norman Scott Brien. The Evolution of the English Corn Market from the Twelfth to the Eighteenth Century. Cambridge (Massachusetts) [etc.]: Harvard University, 1915.
Cita MLA (9a ed.)Gras, Norman Scott Brien. The Evolution of the English Corn Market from the Twelfth to the Eighteenth Century. Harvard University, 1915.
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