Pearson's origins of law and economics: The economists' new science of law, 1830-1930 and Fried's the progressive assault on Laissez Faire: Robert Hale and the first law and economics movement
Sg. Medema, Pearson's origins of law and economics: The economists' new science of law, 1830-1930 and Fried's the progressive assault on Laissez Faire: Robert Hale and the first law and economics movement, RES HIST EC, 18A, 2000, pp. 353-364