Columbia subject headings:
Aristophanes--Criticism and interpretation--Early works to 1800.
Aristophanes. Plutus.
Plautus, Titus Maccius--Criticism and interpretation--Early works to 1800.
Harvard subject headings:
Aristophanes
Classical drama (Comedy)--History and criticism.
Plautus, Titus Maccius.
Princeton subject headings:
Aristophanes--Criticism and interpretation--Early works to 1800.
Aristophanes. Plutus.
Plautus, Titus Maccius--Criticism and interpretation--Early works to 1800.