Columbia subject headings:
Cleopatra, Queen of Egypt, -30 B.C.--Poetry.
Helen, of Troy, Queen of Sparta--Poetry.
Harvard subject headings:
Cleopatra, Queen of Egypt, -30 B.C.--Poetry.
Helen of Troy (Greek mythology)--Poetry.
Princeton subject headings:
Cleopatra, Queen of Egypt, -30 B.C.--Poetry.
Helen, of Troy, Queen of Sparta--Poetry.
Poetry.