Welfare economics and the theory of the state,

by Baumol, William J.
Cambridge, Harvard University Press, 1967
[2d ed.].

Welfare economics and the theory of the state /

by Baumol, William J.
Cambridge : Harvard University Press, 1952

Welfare economics and the theory of the state /

by Baumol, William J.
Cambridge : Harvard University Press, 1969
2d ed.