Titmuss, Richard M.
Income distribution and social change a critical study in British Statistics / Richard M. Titmuss
University of Toronto Press , 1962
 Buku Teks
Kennedy, Richard
Australian welfare history critical essays / Richard Kennedy
Macmillan Publishing Co. Inc, 1982
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Gough, Ian
The political economy of the welfare state
Macmillan, 1992
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Boumol, William J.
Welfare economics and the theory of the state
Harvard University Press, 1952
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Heckscher, Gunnar
The welfare state and beyond
 Buku Teks SO