Columbia subject headings:
Harvard subject headings:
Prisoners--Legal status, laws, etc.
Prisoners--Legal status, laws, etc.--Latin America.
Prisons--Law and Legislation--Latin America.
Prisons--Law and legislation
Princeton subject headings:
Prisoners--Legal status, laws, etc.
Prisoners--Legal status, laws, etc.--Latin America.
Prisons--Law and Legislation--Latin America.
Prisons--Law and legislation.