Columbia subject headings:
Italians--Switzerland--History--20th century.
Italians--Switzerland--Social conditions.
Italy--Emigration and immigration--History--20th century.
Switzerland--Emigration and immigration--History--20th century.
Switzerland--Ethnic relations.
Harvard subject headings:
Italians--Switzerland--History--20th century.
Italians--Switzerland--Social conditions.
Italy--Emigration and immigration--History--20th century.
Switzerland--Emigration and immigration--History--20th century.
Switzerland--Ethnic relations.
Princeton subject headings: