Columbia subject headings:
Castles--Germany--Hechingen.
Hechingen (Germany)--Pictorial works.
Zollerburg (Hechingen, Germany)
Harvard subject headings:
Hechingen (Germany)--History.
Zollern (Germany)
Princeton subject headings:
Architecture--Germany (West)--Hechingen.
Castles--Germany (West)--Hechingen.