This site contains free educational material for entire courses including syllabi, reading lists, lecture notes and assignments. Some courses contain more thorough material than others. This is a very good site, but it has no philosophy section. Links to some courses especially relevant to liberty Studies are posted below.
“This course explores three fundamental questions about the ideal of a just society and the place of values of liberty and equality in such a society. Answers to the questions provided by three contemporary theories of justice: Utilitarianism, Libertarianism, and Egalitarian Liberalism will be examined.” (Source: MITOpenCourseWare)
Political Economy I explores the major social science paradigms for analyzing relations among state, economy, and society. Through readings, lectures and discussion of original texts in political liberalism and individualism, neo-classical economics, Marxism, sociological and cultural theories, and neo-institutionalism” (Source: MITOpenCourseWare)