Columbia subject headings:
Goldoni, Carlo, 1707-1793--Bibliography.
Metastasio, Pietro, 1698-1782--Bibliography.
Operas--Italy--Bibliography.
Zeno, Apostolo, 1668-1750--Bibliography.
Harvard subject headings:
Goldoni, Carlo, 1707-1793--Bibliography.
Metastasio, Pietro, 1698-1782--Bibliography.
Opera--Italy--Bibliography.
Zeno, Apostolo, 1668-1750--Bibliography.
Princeton subject headings: