Columbia subject headings:
Harvard subject headings:
Classical literature--History and criticism--Congresses
Greek drama (Tragedy)--History and criticism--Congresses.
Greek literature--History and criticism--Congresses
Silence in literature--Congresses.
Princeton subject headings:
Classical literature--History and criticism--Congresses.
Greek drama (Tragedy)--History and criticism--Congresses.
Greek literature--History and criticism--Congresses.
Silence in literature--Congresses.