Columbia subject headings:
Harvard subject headings:
Leopold-Hoesch-Museum der Stadt Düren
Psychiatric clinics--Germany--Düren (Cologne)--History--20th century--Exhibitions.
Psychiatric hospitals--Germany--Düren (Cologne)--History--20th century--Exhibitions.
Psychiatriegeschichtliches Dokumentationszentrum Düren
Psychiatry--Germany--Düren (Cologne)--History--20th century--Exhibitions.
Princeton subject headings:
Psychiatric clinics--Germany--Düren (Cologne)--History--20th century--Exhibitions.
Psychiatric hospitals--Germany--Düren (Cologne)--History--20th century--Exhibitions.
Psychiatry--Germany--Düren (Cologne)--History--20th century--Exhibitions.