Columbia subject headings:
Europe--Foreign relations--Middle East.
Middle East--Foreign relations--Europe.
Terrorism--Prevention--International cooperation.
Terrorism--Religious aspects--Islam.
Harvard subject headings:
Europe--Foreign relations--Middle East.
Middle East--Foreign relations--Europe.
Terrorism--Prevention--International cooperation
Terrorism--Religious aspects--Islam
Princeton subject headings:
Europe--Foreign relations--Middle East.
Middle East--Foreign relations--Europe.
Terrorism--Prevention--International cooperation.
Terrorism--Religious aspects--Islam.