Columbia subject headings:
Italy--History.
Rome (Italy)--History.
Rome--History--Periodicals.
Harvard subject headings:
Catholic Church--Periodicals.
Italy--History--Periodicals.
Rome (Italy)--History--Periodicals.
Rome--History--Periodicals.
Princeton subject headings:
Catholic Church--Periodicals.
Italy--History--Periodicals.
Periodicals.
Rome (Italy)--History--Periodicals.
Rome--History--Periodicals.