Columbia subject headings:
Harvard subject headings:
Amphitheaters--Greece--Congresses.
Architecture, Greek--Congresses.
Architecture, Hellenistic--Congresses.
Conference papers and proceedings.
Theater architecture, Hellenistic--Congresses.
Theater architecture--Greece--Congresses.
Theaters--Greece--Congresses.
Princeton subject headings:
Conference papers and proceedings.
Theater architecture, Hellenistic--Congresses.