Columbia subject headings:
Harvard subject headings:
Church and state--Italy--Spoleto--Congresses.
Italy--History--1849-1870--Congresses.
Italy--History--1849-1970--Congresses.
Spoleto (Italy)--Politics and government--19th century--Congresses.
Spoleto (Italy)--Politics and government--19th century--Congresses. Congresses.
Princeton subject headings:
Church and state--Italy--Spoleto--Congresses.
Italy--History--1849-1870--Congresses.
Spoleto (Italy)--Politics and government--19th century--Congresses.