- International relations theory
- History of international thought
- History of the states-system
- Humanitarianism and intervention
Richard Devetak has published on the history of international thought, contemporary theoretical debates in international relations, humanitarian intervention, the 'war on terror', and globalisation's implications for justice and the state. He has also published on foreign policy, refugees and national identity in the Australian context. His major contribution has been in the area of international relations theory, more specifically in the exposition and analysis of Frankfurt School Critical Theory and post-structuralism. His writings in these areas have been published in leading International Relations journals including International Affairs, Millennium and Review of International Studies. His current research interests include: the history of international thought and the history of the states-system. He has held Visiting Fellowships at the Department of International Politics at University of Wales, Aberystwyth (2003), the Department of Politics, Institutions and History at University of Bologna (2008) and at the Department of Political and Social Sciences at the European University Institute, Florence (2012).