Columbia subject headings:
Camorra--Italy--Naples--History.
Organized crime--France--Marseille--History.
Organized crime--Italy--Naples--History.
Harvard subject headings:
Organized crime--France--Marseille--History.
Organized crime--Italy--Naples--History.
Organized crime--Mediterranean Region--Case studies.
Princeton subject headings:
Case studies.
Organized crime--France--Marseille--History.
Organized crime--Italy--Naples--History.
Organized crime--Mediterranean Region--Case studies.