Columbia subject headings:
Den Helder (Netherlands)--Buildings, structures, etc.
Juvenile detention homes--Netherlands--Den Helder.
Loof & van Stigt architecten.
Rijksinrichting voor Jongeren, De Doggershoek (Den Helder, Netherlands)
Harvard subject headings:
Correctional institutions--Netherlands--Designs and plans.
Juvenile detention homes--Netherlands--Den Helder--Design and construction.
Princeton subject headings: