Columbia subject headings:
Euripides--Criticism and interpretation.
Irony in literature.
Ritual in literature.
Sacrifice in literature.
Harvard subject headings:
Euripides--Criticism and interpretation.
Irony in literature.
Ritual in literature.
Sacrifice in literature.
Princeton subject headings:
Euripides--Criticism and interpretation.
Irony in literature.
Ritual in literature.
Sacrifice in literature.