Commodity and Income Taxation in the Soviet Union Franklyn D. Holzman Journal of Political Economy 1950 58(5), 425-433
The Mathematical Theory of Monopoly in 1839: Charles Ellet, Jr. C. D. Calsoyas Journal of Political Economy 1950 58(2), 162-170
Resource Allocation under Share Contracts D. Gale Johnson Journal of Political Economy 1950 58(2), 111-123