Columbia subject headings:
Art, Gothic--Italy--Pistoia--Congresses.
Art--Italy--Pistoia--Congresses.
Harvard subject headings:
Art, Gothic--Italy--Pistoia--Congresses.
Art--Italy--Pistoia--Congresses.
Princeton subject headings:
Art, Gothic--Italy--Pistoia--Congresses.
Art--Italy--Pistoia--Congresses.