Columbia subject headings:
Harvard subject headings:
Italy--Ethnic relations--Congresses.
Jews--Italy--Economic conditions--Congresses.
Jews--Italy--History--Congresses.
Jews--Italy--Social conditions--Congresses.
Princeton subject headings:
Italy--Ethnic relations--Congresses.
Jews--Italy--Economic conditions--Congresses.
Jews--Italy--History--Congresses.
Jews--Italy--Social conditions--Congresses.