Freedom, Reason, and the Polis: Volume 24, Part 2 Essays in Ancient Greek Political Philosophy Keyt David Heftet / 2007 / Engelsk
Objectivism, Subjectivism, and Relativism in Ethics: Volume 25, Part 1 Paul Ellen Frankel Heftet / 2008 / Engelsk
Utilitarianism: Volume 26, Part 1 The Aggregation Question Paul Ellen Frankel Heftet / 2010 / Engelsk
Natural Resources, the Environment, and Human Welfare: Volume 26, Part 2 Paul Ellen Frankel Heftet / 2010 / Engelsk
New Essays in Political and Social Philosophy: Volume 29, Part 1 Paul Ellen Frankel Heftet / 2013 / Engelsk
Natural Law and Modern Moral Philosophy: Volume 18, Social Philosophy and Policy, Part 1 Paul Ellen Frankel Heftet / 2001 / Engelsk
Problems of Market Liberalism: Volume 15, Social Philosophy and Policy, Part 2 Paul Ellen Frankel Heftet / 1998 / Engelsk
Natural Rights Liberalism from Locke to Nozick: Volume 22, Part 1 Paul Ellen Frankel Heftet / 2004 / Engelsk
