Columbia subject headings:
Germany--Emigration and immigration--History.
Germany--Foreign relations--Italy.
Italians--Germany--History.
Italy--Emigration and immigration--History.
Italy--Foreign relations--Germany.
Harvard subject headings:
Germany--Emigration and immigration--History.
Germany--Foreign relations--Italy.
Italians--Germany--History.
Italy--Emigration and immmigration--History.
Italy--Foreign relations--Germany.
Princeton subject headings:
Germany--Emigration and immigration--History.
Germany--Foreign relations--Italy.
Italians--Germany--History.
Italy--Emigration and immmigration--History.
Italy--Foreign relations--Germany.