Publications pe ́riodiques 23 History 13 Zeitschrift 11 Politics and government 9 UE/CE Etats membres 8 Droit 6 Law 6 Research 6 Histoire 5 Social conditions 5 Study and teaching 5 Foreign relations 4 Internationale betrekkingen 4 Law and legislation 4 UE/CE Droit 4 Civilization 3 Diplomatic relations 3 Economic conditions 3 Economic history 3 Environmental law 3 Europees recht 3 Human rights 3 National security 3 Political science 3 Regional planning 3 Regionalforschung 3 Relations 3 44.64 radiology 2 Ame ́nagement du territoire 2 Antiquities 2