Columbia subject headings:
Harvard subject headings:
Basses (Singers)--Italy--Biography.
Benedetti, Nicola, 1821-1875.
Opera--Italy--19th century
Verdi, Giuseppe, 1813-1901--Friends and associates.
Princeton subject headings:
Basses (Singers)--Italy--Biography.
Benedetti, Nicola, 1821-1875.
Opera--Italy--19th century.
Verdi, Giuseppe, 1813-1901--Friends and associates.