Columbia subject headings:
National security--Germany--Congresses.
National security--United States--Congresses.
Terrorism--Prevention--Germany--Congresses.
Terrorism--Prevention--United States--Congresses.
Terrorism--Religious aspects--Islam--Congresses.
Harvard subject headings:
Islamic fundamentalism.
National security--Germany--Congresses.
National security--United States--Congresses
Terrorism--Germany--Prevention--Congresses.
Terrorism--History
Terrorism--Prevention
Terrorism--Religious aspects--Islam
Terrorism--Religious aspects--Islam--Congresses.
Terrorism--United States--Prevention--Congresses.
Princeton subject headings: