Columbia subject headings:
Conservatorio Benedetto Marcello. Biblioteca--Catalogs.
Librettos--Bibliography--Catalogs.
Harvard subject headings:
Conservatorio Benedetto Marcello. Biblioteca--Catalogs.
Librettos--Bibliography--Catalogs.
Operas--Librettos--Catalogs.
Princeton subject headings:
Conservatorio Benedetto Marcello. Biblioteca--Catalogs.
Operas--Librettos--Bibliography--Catalogs.
Torrefranca, Fausto, 1883-1955--Library--Catalogs.