Columbia subject headings:
Harvard subject headings:
Kuhlen (Concentration camp)
Kuhlen (Kuhlen bei Rickling, Germany : Concentration Camp)
Kuhlen bei Rickling (Germany)--History.
Political prisoners--Germany (West)--Kuhlen bei Rickling--History.
Political prisoners--Germany--Segeberg (Kreis)--History.
Princeton subject headings:
Kuhlen (Rickling, Germany : Concentration camp)
Political prisoners--Germany--Segeberg (Kreis)--History.