Columbia subject headings:
Mural painting and decoration, Gothic--Europe--Congresses.
Mural painting and decoration--Europe--Congresses.
Harvard subject headings:
Mural painting and decoration, Gothic--Europe--Congresses.
Mural painting and decoration--Europe--Congresses.
Princeton subject headings:
Mural painting and decoration, Gothic--Europe--Congresses.
Mural painting and decoration--Europe--Congresses.