Columbia subject headings:
Sturzo, Luigi, 1871-1959--Congresses.
Harvard subject headings:
Italy--Church history--20th century.
Italy--History--20th century.
Sturzo, Luigi, 1871-1959.
Princeton subject headings:
Italy--Church history--20th century.
Italy--History--20th century.
Sturzo, Luigi, 1871-1959.