Columbia subject headings:
Art and music--History--Congresses.
Arts--History--Congresses.
Theaters--Stage-setting and scenery--History--Congresses.
Harvard subject headings:
Arts, Modern--Congresses
Arts--Congresses
Princeton subject headings:
Art and music--History--Congresses.
Arts--History--Congresses.
Theaters--Stage-setting and scenery--History--Congresses.