Taking Preferences Seriously: A Liberal Theory of International Politics - Paper by Andrew Moravcsik attempts to reformulate liberal international relations (IR) theory in a nonideological and nonutopian form appropriate to empirical social science. PDF file. - http://www.princeton.edu/~amoravcs/library/preferences.pdf
Theories of International Relations: Liberalism - Bibliography of sources on liberal and neoliberal international relations theory. - http://www.wadsworth.com/politicalscience_d/special_features/ext/ir/tir/tir_infotrac1_2.html