Columbia subject headings:
Aeschylus. Seven against Thebes.
Seven against Thebes (Greek mythology) in literature.
Thebes (Greece)--In literature.
Harvard subject headings:
Aeschylus. Seven against Thebes.
Eteocles, King of Thebes (Mythological character)
Polynices (Greek mythological figure)
Seven against Thebes (Greek mythology) in literature.
Sibling rivalry in literature.
Thebes (Greece)--In literature.
Tragedy.
Princeton subject headings:
Aeschylus. Seven against Thebes.