Columbia subject headings:
Greek drama (Tragedy)--History and criticism.
Philoctetes (Mythological character)--In literature.
Trojan War--Drama.
Harvard subject headings:
Greek drama (Tragedy)--History and criticism.
Philoctetes (Mythological character)--Drama.
Philoctetes (Mythological character)--In literature.
Trojan War--Drama
Trojan War--Literature and the war
Princeton subject headings:
Drama.
Greek drama (Tragedy)--History and criticism.
Philoctetes (Mythological character)--In literature.
Trojan War--Drama.