Columbia subject headings:
Allegory--Congresses.
European drama--History and criticism--Congresses.
Italian drama--18th century--History and criticism--Congresses.
Italian drama--To 1700--History and criticism--Congresses.
Harvard subject headings:
Allegory--Congresses.
European drama--History and criticism--Congresses.
Italian drama--18th century--History and criticism--Congresses.
Italian drama--To 1700--History and criticism--Congresses.
Princeton subject headings:
Allegory--Congresses.
European drama--History and criticism--Congresses.
Italian drama--18th century--History and criticism--Congresses.
Italian drama--To 1700--History and criticism--Congresses.