Columbia subject headings:
Composers--Italy--Correspondence.
Italy--Politics and government--1849-1870.
Italy--Politics and government--1870-1914.
Piroli, Giuseppe, 1815-1890--Correspondence.
Politicians--Italy--Correspondence.
Verdi, Giuseppe, 1813-1901--Correspondence.
Harvard subject headings:
Composers--Italy--Correspondence
Italy--Politics and government--1849-1870
Italy--Politics and government--1870-1914
Piroli, Giuseppe, 1815-1890--Correspondence.
Politicians--Italy--Correspondence
Verdi, Giuseppe, 1813-1901. Correspondence
Princeton subject headings:
Composers--Italy--Correspondence.
Italy--Politics and government--1849-1870.
Italy--Politics and government--1870-1914.
Piroli, Giuseppe, 1815-1890--Correspondence.
Politicians--Italy--Correspondence.
Verdi, Giuseppe, 1813-1901. Correspondence.