Columbia subject headings:
Aeschylus--Political and social views.
Euripides--Political and social views.
Greek drama (Tragedy)--History and criticism.
Mythology, Greek, in literature.
Social norms in literature.
Sophocles--Political and social views.
Harvard subject headings:
Aeschylus--Criticism and interpretation.
Euripides--Criticism and interpretation.
Greek drama--History and criticism
Sophocles--Criticism and interpretation.
Princeton subject headings:
Aeschylus--Criticism and interpretation.
Euripides--Criticism and interpretation.
Greek drama--History and criticism.
Sophocles--Criticism and interpretation.