Columbia subject headings:
Harvard subject headings:
Geopolitics--Mediterranean Region--Congresses.
Mediterranean Region--Politics and government--21st century--Congresses.
Middle East--Politics and government--21st century--Congresses.
Princeton subject headings:
Geopolitics--Mediterranean Region--Congresses.
Mediterranean Region--Politics and government--21st century--Congresses.
Middle East--Politics and government--21st century--Congresses.