Columbia subject headings:
Prisoners--Legal status, laws, etc.
Prisons and race relations--United States.
Prisons--Officials and employees--United States.
Prisons--United States.
Harvard subject headings:
Prisoners--Legal status, laws, etc.
Prisons and race relations--United States.
Prisons--Officials and employees--United States.
Prisons--United States
Princeton subject headings:
Prisoners--Legal status, laws, etc.
Prisons and race relations--United States.
Prisons--Officials and employees--United States.
Prisons--United States.