Columbia subject headings:
Greek prose literature--History and criticism.
Greek prose literature--Translations into Italian.
Helen, of Troy, Queen of Sparta.
Trojan War.
Harvard subject headings:
Greek prose literature--History and criticism.
Greek prose literature--Translations into Italian.
Helen, of Troy, Queen of Sparta.
Trojan War
Princeton subject headings:
Drama.
Helen, of Troy, Queen of Sparta--Drama.