(Political trends, sociological issues, public opinions, etc.)

Atlanticism
Christian democracy
Citizenship
Colonialism/Decolonization
Communism
Democratization
Development
East-West relations
European Identity/ies
European Law (ECSC-EEC-EU)
European security
Human Rights
International Law
Jurists
Migrations
Nationalism
Networks
Pacifism
Political parties
Pressure groups
Pro/anti-European movements
Public Opinion
Regionalism
Socialism
Third World
Tourism
Trade Unions
Transatlantic relations
Transnationalism
Underground/dissent