Columbia subject headings:
Verdi, Giuseppe, 1813-1901--Appreciation--Italy--Perugia.
Verdi, Giuseppe, 1813-1901--Appreciation--Italy--Umbria.
Harvard subject headings:
Verdi, Giuseppe, 1813-1901--Appreciation--Italy--Perugia.
Verdi, Giuseppe, 1813-1901--Appreciation--Italy--Umbria.
Princeton subject headings:
Verdi, Giuseppe, 1813-1901--Performances--Italy--Perugia.
Verdi, Giuseppe, 1813-1901--Performances--Italy--Umbria.
Verdi, Giuseppe, 1813-1901.