Columbia subject headings:
Art objects--Rhine River Valley.
Art, German--Exhibitions.
Art--Rhine River Valley.
Sculpture--Rhine River Valley.
Harvard subject headings:
Art objects--Rhine River Valley.
Art, German--Exhibitions
Art, German--Exhibitions.
Art--Rhine River Valley
Sculpture--Rhine River Valley.
Princeton subject headings:
Art objects--Rhine River Valley.
Art, German--Exhibitions.
Art--Rhine River Valley.
Sculpture--Rhine River Valley.