Columbia subject headings:
Harvard subject headings:
Ireland--History--20th century.
Irish Republican Army--History.
Mountbatten of Burma, Louis Mountbatten, Earl, 1900-1979--Assassination.
Northern Ireland--History.
Terrorism--Northern Ireland
Princeton subject headings:
Ireland--History--20th century.
Irish Republican Army--History.
Mountbatten of Burma, Louis Mountbatten, Earl, 1900-1979--Assassination.
Northern Ireland--History.
Terrorism--Northern Ireland.