Columbia subject headings:
Greek drama (Tragedy)--History and criticism.
Laments--Greece--History and criticism.
Harvard subject headings:
Aeschylus
Euripides
Greek drama (Tragedy)--Criticism, textual.
Greek drama (Tragedy)--History and criticism.
Laments--Greece--History and criticism.
Sophocles
Princeton subject headings:
Greek drama (Tragedy)--History and criticism.
Laments--Greece--History and criticism.