Columbia subject headings:
Harvard subject headings:
Aeschylus--Criticism and interpretation.
Euripides--Criticism and interpretation.
Greek drama (Tragedy)--History and criticism.
Mythology, Greek, in literature.
Nobility of character in literature.
Sophocles--Criticism and interpretation.
Princeton subject headings:
Aeschylus--Criticism and interpretation.
Aristocracy (Social class) in literature.
Euripides--Criticism and interpretation.
Greek drama--History and criticism.
Nobility in literature.
Sophocles--Criticism and interpretation.