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