Columbia subject headings:
Harvard subject headings:
Classical drama--History and criticism
Drama--Chorus
Drama--Chorus (Greek drama)
German drama--History and criticism.
Greek drama (Tragedy)--History and criticism.
Princeton subject headings:
Classical drama--History and criticism.
Drama--Chorus (Greek drama)
Drama--Chorus.
German drama--History and criticism.
Greek drama (Tragedy)--History and criticism.