Columbia subject headings:
Harvard subject headings:
Catholic Church--Italy--Lombardy--History--18th century--Congresses.
Catholic Church--Italy--Milan--History--18th century--Congresses.
Lombardy (Italy)--Church history--Congresses.
Lombardy (Italy)--History--Austrian rule, 1714-1796--Congresses.
Milan (Italy)--Church history--Congresses.
Milan (Italy)--History--1535-1859--Congresses.
Princeton subject headings:
Lombardy (Italy)--Civilization--Congresses.
Lombardy (Italy)--History--Austrian rule, 1714-1796--Congresses.
Milan (Italy)--Civilization--Congresses.
Milan (Italy)--History--1535-1859--Congresses.