Gutmann, Amy (1976). The Egalitarian Tradition: The Foundations and Limits of a Liberal Theory of Equality (Ph.D. thesis). Harvard University. OCLC76985733. ProQuest302804052.
Gutmann, Amy (1976). The Egalitarian Tradition: The Foundations and Limits of a Liberal Theory of Equality (Ph.D. thesis). Harvard University. OCLC76985733. ProQuest302804052.