Columbia subject headings:
Harvard subject headings:
Italy--Ethnic relations--Congresses.
Italy--Foreign relations--1914-1945--Congresses.
Italy--Relations--Yugoslavia--Congresses.
Yugoslavia--Foreign relations--1918-1945--Congresses.
Yugoslavia--Relations--Italy--Congresses.
Princeton subject headings:
Immigrants--Italy--Congresses.
Italy--Foreign relations--1914-1945--Congresses.
Italy--Relations--Yugoslavia--Congresses.
Yugoslavia--Foreign relations--1918-1945--Congresses.
Yugoslavia--Relations--Italy--Congresses.