Columbia subject headings:
Harvard subject headings:
European Union countries--Economic integration.
European Union--France.
European Union--Germany.
European Union--Membership.
France--Foreign relations--Germany.
France--Relations--Germany.
Germany--Foreign relations--France.
Germany--Relations--France.
International cooperation
Princeton subject headings:
European Union--France.
European Union--Germany.
France--Foreign relations--Germany.
Germany--Foreign relations--France.