Columbia subject headings:
Harvard subject headings:
Catholic Church--Italy--History--19th century.
Italy--Politics and government--1849-1870--Biography.
Jesuits--Italy--Biography.
Ventura, Gioacchino, 1792-1861.
Princeton subject headings:
Catholic Church--History--19th century--Sources.
Church and state--Catholic Church--History--19th century--Sources.
Ventura, Gioacchino, 1792-1861.