Columbia subject headings:
European Coal and Steel Community.
European Economic Community.
General Agreement on Tariffs and Trade (Organization)
International economic integration.
Organisation for European Economic Co-operation.
United States--Commercial policy.
Harvard subject headings:
European Coal and Steel Community
European Economic Community.
General Agreement on Tariffs and Trade (Organization)
International economic integration.
Organisation for European Economic Co-operation
United States--Commercial policy.
Princeton subject headings:
European Coal and Steel Community.
European Economic Community.
General Agreement on Tariffs and Trade (Organization)
International economic integration.
Organisation for European Economic Co-operation.
United States--Commercial policy.