1. Ashford, D. E.: 1986,The Emergence of the Welfare State (B. Blackwell, Oxford).
2. Baumol, W. G.: 1952,Welfare Economics and the Theory of the State (Harvard University Press, Cambridge, MA).
3. Epstein, R.: 1985,Takings: Private Property and the Power of Eminent Domain (Harvard University Press, Cambridge, MA).
4. Fraser, N. and L. Gordon: 1992, ?Contract Versus Charity: Why Is There No Social Citizenship in the United States??,Socialist Review 22(3), 45?65.
5. Gould, C. C.: 1988,Rethinking Democracy, ch. 6 (Cambridge University Press, Cambridge).