Columbia subject headings:
Harvard subject headings:
Organized crime investigation--Netherlands--Congresses.
Organized crime investigation--United States--Congresses.
Organized crime--Netherlands--Congresses.
Organized crime--Netherlands--Prevention--Congresses.
Organized crime--United States--Congresses.
Organized crime--United States--Prevention--Congresses.
Princeton subject headings:
Organized crime--Cross-cultural studies.
Organized crime--Europe.
Organized crime--Netherlands.
Organized crime--New York (State)--New York.
Organized crime--United States.