Columbia subject headings:
Industrial relations--United States.
Organized crime--United States.
Racketeering--United States.
Harvard subject headings:
Labor unions--Corrupt practices--United States
Labor unions--United States--Officials and employees--Corrupt practices.
Organized crime investigation--United States.
Organized crime--United States
Racketeering--United States
Princeton subject headings:
Labor unions--Corrupt practices--United States.
Organized crime investigation--United States.
Organized crime--United States.
Racketeering--United States.