7see, Henry Shue, "Rights in the Light of Duties," in Human Rights and U. S. foreign Policy, Peter G. Brown & Douglas Maclean (eds.),Lexington MA: lexintong Books, 1979, p263 - 264.
9See, Allen Buchanan, "Deriving Welfare Rights From Libertarian rights", in Income Support: Conceptual and Policy Issues, Peter G. Brown,Conrad Johnson (Paul Vernier (eds.), Totowa, NJ: Rowman and Littlefield. 1981, p233.