Columbia subject headings:
Correctional law--United States.
Prisoners--Legal status, laws, etc.--United States.
Prisons--Law and legislation--United States.
Harvard subject headings:
Correctional law--United States.
Prisoners--Legal status, laws, etc.--United States
Prisons--Law and legislation--United States
Prisons--Overcrowding--Law and legislation--United States.
Princeton subject headings:
Correctional law--United States.
Prisoners--Legal status, laws, etc.--United States.
Prisons--Law and legislation--United States.
Prisons--Overcrowding--Law and legislation--United States.