Columbia subject headings:
Harvard subject headings:
Commission of the European Communities. General Archives--Catalogs.
European communities--History--Sources--Bibliography--Catalogs.
European federation--History--Sources--Bibliography--Catalogs.
Princeton subject headings:
Commission of the European Communities--Archives--Catalogs.
Europe--History--1945---Bibliography--Catalogs.
European Coal and Steel Community. High Authority--Archives--Catalogs.
European Economic Community countries--Archival resources--Catalogs.