Columbia subject headings:
Animals, Mythical, in art.
Decoration and ornament, Architectural--Rhine River Valley.
Gargoyles--Rhine River Valley--Pictorial works.
Grotesque in architecture--Rhine River Valley.
Monsters in art.
Sculpture, Gothic--Rhine River Valley.
Sculpture, Medieval--Rhine River Valley.
Harvard subject headings:
Animals, Mythical, in art
Decoration and ornament, Architectural--Rhine River Valley.
Gargoyles--Rhine River Valley--Pictorial works.
Grotesque in architecture--Rhine River Valley.
Monsters in art
Sculpture, Gothic--Rhine River Valley.
Sculpture, Medieval--Rhine River Valley.
Princeton subject headings:
Animals, Mythical, in art.
Decoration and ornament, Architectural--Rhine River Valley.
Gargoyles--Rhine River Valley--Pictorial works.
Grotesque in architecture--Rhine River Valley.
Monsters in art.
Sculpture, Gothic--Rhine River Valley.
Sculpture, Medieval--Rhine River Valley.