Columbia subject headings:
Prisons--Periodicals.
Prisons--United States--Periodicals.
Prisons--United States.
Prisons.
Harvard subject headings:
Prisons
Prisons--Periodicals
Prisons--United States
Prisons--United States--Periodicals.
Princeton subject headings:
Periodicals.
Prisons--Periodicals.
Prisons--United States--Periodicals.
Prisons--United States.
Prisons.