Columbia subject headings:
Europe--Relations--Mediterranean Region.
Geopolitics--Europe.
Geopolitics--Mediterranean Region.
Mediterranean Region--Relations--Europe.
Harvard subject headings:
European Union--Relations--Mediterranean Region--21st century.
Mediterranean Region--Economic conditions--21st century.
Mediterranean Region--Politics and government--21st century.
Mediterranean Region--Relations--European Union--21st century.
Princeton subject headings:
Europe--Relations--Mediterranean Region.
Geopolitics--Europe.
Geopolitics--Mediterranean Region.
Mediterranean Region--Relations--Europe.