Columbia subject headings:
Classical drama--History and criticism--Congresses.
Drama--Chorus (Greek drama)--Congresses.
Drama--Greek influences--Congresses.
Greek drama--Appreciation--Congresses.
Harvard subject headings:
Classical drama--History and criticism--Congresses.
Drama--Chorus (Greek drama)--Congresses.
Drama--Greek influences--Congresses.
Greek drama--Appreciation--Congresses.
Princeton subject headings:
Classical drama--History and criticism--Congresses.
Drama--Chorus (Greek drama)--Congresses.
Drama--Greek influences--Congresses.
Greek drama--Appreciation--Congresses.