Underemployment in Backward Economies: Some Additional Notes Harvey Leibenstein Journal of Political Economy 1958 66(3), 256-258
Underemployment in Backward Economies: Reply Harvey Leibenstein Journal of Political Economy 1958 66(3), 264-264
Population Growth and Levels of Consumption. Horace Belshaw Harvey Leibenstein Journal of Political Economy 1958 66(1), 87-88