Columbia subject headings:
Harvard subject headings:
Foreign workers, Italian--Latin America--History--Congresses.
Immigrants--Latin America--History--Congresses.
Italians--Latin America--History--Congresses.
Italy--Emigration and immigration--History--Congresses.
Latin America--Emigration and immigration--History--Congresses.
Princeton subject headings:
Foreign workers, Italian--Latin America--History--Congresses.
Immigrants--Latin America--History--Congresses.
Italians--Latin America--History--Congresses.
Italy--Emigration and immigration--History--Congresses.
Latin America--Emigration and immigration--History--Congresses.