Columbia subject headings:
Oedipus (Greek mythological figure)--In literature.
Sophocles. Oedipus Rex.
Harvard subject headings:
Oedipus (Greek mythological figure)--In literature.
Sophocles. Oedipus Rex.
Princeton subject headings:
Oedipus (Greek mythological figure)--In literature.
Sophocles. Oedipus Rex.