Columbia subject headings:
Islam and politics.
Islam--20th century.
Terrorism--Islamic countries.
Harvard subject headings:
Islam and politics.
Islam--20th century
Jihad.
September 11 Terrorist Attacks, 2001.
Terrorism--Islamic countries
Terrorism--Religious aspects--Islam
Terrorism.
Princeton subject headings:
Jihad.
September 11 Terrorist Attacks, 2001.
Terrorism--Religious aspects--Islam.
Terrorism.