Columbia subject headings:
Harvard subject headings:
Bombings--New York (State)--New York.
Noncitizens--Political activity
Noncitizens--United States--Political activity.
Terrorism--Religious aspects--Islam
Terrorism--United States--Prevention
Terrorists--United States
World Trade Center Bombing, New York, N.Y., 1993
Princeton subject headings:
Noncitizens--United States--Political activity.
Terrorism--Religious aspects--Islam.
Terrorism--United States--Prevention.
Terrorists--United States.