Columbia subject headings:
Criminal justice personnel--United States--Statistics--Periodicals.
Criminal justice, Administration of--United States--Costs--Statistics--Periodicals.
Harvard subject headings:
Criminal justice personnel--United States--Statistics--Periodicals.
Criminal justice, Administration of--United States--Costs--Statistics--Periodicals.
Princeton subject headings:
Criminal justice personnel--United States--Statistics--Periodicals.
Criminal justice, Administration of--United States--Costs--Statistics--Periodicals.
Periodicals.
Statistics.