Columbia subject headings:
Harvard subject headings:
Architecture, Carolingian--Germany--Höxter Region.
Architecture, Medieval--Germany--Höxter Region.
Christianity and other religions--Germany.
Corvey (Abbey)
Externsteine (Germany)
Germany--Church history--To 843.
Paganism--Germany.
Saxons--Germany--Höxter Region--Antiquities.
Princeton subject headings:
Architecture, Carolingian--Germany--Westphalia.
Art, Medieval--Germany--Westphalia.
Corvey (Abbey)