Columbia subject headings:
Islam and politics.
Islamic fundamentalism.
Jihad.
Terrorism--Religious aspects--Islam.
Harvard subject headings:
Arab-Israeli conflict.
Islam and politics.
Islamic fundamentalism--Somalia.
Islamic fundamentalism--Sudan.
Islamic fundamentalism--Yemen.
Terrorism--Religious aspects--Islam
Terrorism--Somalia.
Terrorism--Sudan.
Terrorism--Yemen.
Princeton subject headings:
Islam and politics.
Islamic fundamentalism.
Jihad.
Terrorism--Religious aspects--Islam.
Terrorism--Somalia--History.
Terrorism--Sudan--History.
Terrorism--Yemen--History.