Columbia subject headings:
Art, Medieval--Germany--Rhineland.
Christianity and art--Germany--Rhineland.
Harvard subject headings:
Art, Medieval--Germany--Rhineland.
Christianity and art--Germany--Rhineland.
Princeton subject headings:
Architecture--Germany--Rhineland--History--Congresses.
Art and society--Germany--Rhineland--Congresses.
Art, German--Germany--Rhineland--Congresses.
Art, Medieval--Germany--Rhineland--Congresses.
Art--Germany--Rhineland--History--Congresses.
Cultural relations.