Columbia subject headings:
Americans--Crimes against--Foreign countries--Periodicals.
Americans--Foreign countries--Crimes against--Periodicals.
Terrorism--Periodicals.
Terrorism--United States--Periodicals.
Harvard subject headings:
Americans--Crimes against--Foreign countries--Periodicals.
Terrorism--Periodicals
Terrorism--United States--Periodicals.
Princeton subject headings:
Americans--Crimes against--Foreign countries--Periodicals.
Periodicals.
Terrorism--Periodicals.
Terrorism--United States--Periodicals.