Columbia subject headings:
Harvard subject headings:
Organized crime--Asia.
Organized crime--United States
Tongs (Secret societies)
Tongs (Secret societies)--United States.
Triads (Organized crime)
Triads (Organized crime)--United States.
Yakuza--United States.
Yakuza.
Princeton subject headings:
Organized crime--Asia.
Organized crime--United States.
Tongs (Secret societies)--United States.
Triads (Gangs)--United States
Yakuza--United States.