Columbia subject headings:
Correctional institutions--European Union countries--Administration.
Correctional personnel--European Union countries.
Prison administration--European Union countries.
Prisons--Officials and employees--European Union countries.
Harvard subject headings:
Correctional personnel--Europe.
Prison administration--Europe.
Prisoners--Civil rights--Europe.
Princeton subject headings:
Prison administration--Europe.
Prisoners--Civil rights--Europe.
Sentences (Criminal procedure)--Europe.