Columbia subject headings:
America--Emigration and immigration--History--Exhibitions.
Ischia Island (Italy)--Emigration and immigration--History--Exhibitions.
Italians--America--History--Exhibitions.
Harvard subject headings:
America--Emigration and immigration--History--Exhibitions.
Ischia Island (Italy)--Emigration and immigration--History--Exhibitions.
Italians--America--History--Exhibitions.
Princeton subject headings: