Publications pe ́riodiques 23 History 13 Zeitschrift 11 Politics and government 10 UE/CE Etats membres 7 Droit 6 Histoire 5 Research 5 Social conditions 5 Study and teaching 5 Internationale betrekkingen 4 Law and legislation 4 Diplomatic relations 3 Economic conditions 3 Economic history 3 Environmental law 3 Europese integratie 3 Foreign relations 3 Law 3 Medicine 3 Political science 3 Regional planning 3 Regionalforschung 3 UE/CE Droit 3 World politics 3 44.64 radiology 2 Ame ́nagement du territoire 2 Antiquities 2 Archaeology 2 Archeologie 2