Columbia subject headings:
Church and state--Italy.
Ecclesiastical law--Italy.
Harvard subject headings:
Church and state--Italy.
Ecclesiastical law--Italy.
Statutes and codes.
Princeton subject headings:
Catholic Church--Foreign relations--Italy.
Church and state--Italy--History--1945---Sources.
Church and state--Italy--Protestant churches.
Concordats.
Italy--Church history--20th century--Sources.
Jews--Legal status, laws, etc.--Italy.