Columbia subject headings:
English drama (Tragedy)
Harvard subject headings:
Agamemnon, King of Mycenae (Mythological character)--Drama.
Clytemnestra, Queen of Mycenae--Drama.
English drama (Tragedy)
Iphigenia (Mythological character)--Drama.
Tragedies (Drama)
Princeton subject headings:
Drama.
English drama--21st century.