Columbia subject headings:
Harvard subject headings:
Cammarano, Salvatore, 1801-1852--Criticism and interpretation.
Donizetti, Gaetano, 1797-1848. Pia de' Tolomei.
Opera--Italy--19th century
Princeton subject headings:
Cammarano, Salvatore, 1801-1852. Pia de' Tolomei.