In addition to its broad array of individually commissioned articles, the Oxford Research Encyclopedia includes articles from special edited collections on select subfields, which are also published as stand-alone printed volumes.
The Oxford Encyclopedia of Empirical International Relations Theory provides an authoritative overview of the central approaches, methodologies, and topics of empirical international relations theory. All of the articles appear online as part of the ORE of Politics.
The Oxford Encyclopedia of Foreign Policy Analysis examines the theories and factors that influence and determine foreign policy. In a wide-ranging set of over 100 articles, experts examine topics as diverse as climate change, organized crime, two-level games, and veto player approaches. All of the articles appear online as part of the ORE of Politics.