Columbia subject headings:
Crime prevention--Research--United States.
Criminal justice, Administration of--Research--United States.
Federal aid to law enforcement agencies--Research--United States.
Harvard subject headings:
Crime prevention--United States
Crime prevention--United States--Research.
Federal aid to law enforcement agencies--United States.
Princeton subject headings:
Crime prevention--Research--United States.
Criminal justice, Administration of--Research--United States.
Federal aid to law enforcement agencies--Research--United States.