Columbia subject headings:
Freemasonry--Italy--History--Congresses.
Freemasonry--Italy--Religious aspects--Protestant churches--Congresses.
Republicanism--Italy--Congresses.
Harvard subject headings:
Freemasonry--Italy--History--Congresses.
Freemasonry--Italy--Religious aspects--Protestantism--Congresses.
Republicanism--Italy--Congresses.
Princeton subject headings:
Evangelistic work--Italy--History--Congresses.
Freemasonry--Italy--History--Congresses.
Republicanism--Italy--History--Congresses.