Professor Copeland's Study of Moneyflows William J. Baumol The Review of Economics and Statistics 1954 36(1), 102
Essays in Positive Economics William J. Baumol; Milton Friedman The Review of Economics and Statistics 1954 36(4), 462
Economic Stability in a Changing World William J. Baumol; John H. Williams The Review of Economics and Statistics 1954 36(1), 114