Columbia subject headings:
Aristophanes--Political and social views.
Aristophanes. Acharnians.
Aristophanes. Knights.
Comedy.
Political plays, Greek--History and criticism.
Harvard subject headings:
Aristophanes. Acharnians.
Aristophanes. Knights.
Princeton subject headings:
Aristophanes. Acharnians.
Aristophanes. Knights.
Politics in literature.