Columbia subject headings:
Electra (Greek mythological figure)--In literature.
Greek drama (Tragedy)--History and criticism.
Theater--Greece.
Harvard subject headings:
Electra (Greek mythological figure)--In literature.
Greek drama (Tragedy)--History and criticism.
Theater--Greece--History--To 500.
Theater--Greece.
Princeton subject headings:
Electra (Greek mythological figure)--In literature.
Greek drama (Tragedy)--History and criticism.
Theater--Greece.