Columbia subject headings:
Harvard subject headings:
Charities--Rome--Congresses.
Poor--Rome--History--Congresses.
Public health--Rome--Congresses.
Public health--Rome--History--Congresses.
Rome--Social conditions--Congresses.
Sick--Rome--History--Congresses.
Princeton subject headings:
Poor--Rome--History--Congresses.
Public health--Rome--History--Congresses.
Rome--Social conditions--Congresses.
Sick--Rome--History--Congresses.