Columbia subject headings:
Greek drama (Tragedy)--History and criticism.
Greek drama (Tragedy)--Themes, motives.
Religion in literature.
Ritual in literature.
Sophocles--Criticism and interpretation.
Harvard subject headings:
Greek drama (Tragedy)--History and criticism.
Prologues and epilogues.
Sophocles--Criticism and interpretation.
Princeton subject headings:
Greek drama (Tragedy)--History and criticism.
Prologues and epilogues.
Sophocles--Criticism and interpretation.