Zvi Griliches, “Hybrid Corn: An Exploration in the Economics of Technological Change,” Econometrica 25, no. 4 (Oct. 1957), 501-522. Notes 501 [...]

A. T. Mosher, “A Review and Criticism of United States Participation in Agricultural Programs of Technical Cooperation, Journal of Farm Economics 38, [...]

Lynn Thorndike, Latin Treatises on Comets Between 1238 and 1368 A.D. (Chicago: Chgo UP, 1950). Response Here in the third tractatus of his first book of [...]