Columbia subject headings:
Architecture, Gothic.
Architecture, Medieval.
Architecture, Romanesque.
Art, Gothic.
Art, Medieval.
Art, Romanesque.
Christian art and symbolism--Medieval, 500-1500.
Harvard subject headings:
Architecture, Medieval--Congresses
Art, Medieval--Congresses
Social history--Medieval, 500-1500--Congresses
Thirteenth century--Congresses.
Princeton subject headings:
Architecture, Medieval.
Art and society.
Art, Medieval.
Christian art and symbolism--Medieval, 500-1500.