Columbia subject headings:
Foreign workers, Italian--Germany--Wolfsburg (Lower Saxony)--History--20th century.
Immigrants--Germany--Wolfsburg (Lower Saxony)--History--20th century.
Italians--Germany--Wolfsburg (Lower Saxony)--History--20th century.
Italy--Emigration and immigration--History--20th century.
Wolfsburg (Lower Saxony, Germany)--Emigration and immigration--History--20th century.
Harvard subject headings:
Foreign workers, Italian--Germany--Wolfsburg (Lower Saxony)--History--20th century.
Immigrants--Germany--Wolfsburg (Lower Saxony)--History--20th century.
Italians--Germany--Wolfsburg (Lower Saxony)--History--20th century.
Italy--Emigration and immigration--History--20th century.
Wolfsburg (Lower Saxony, Germany)--Emigration and immigration--History--20th century.
Princeton subject headings:
Foreign workers, Italian--Germany--Wolfsburg (Lower Saxony)--History--20th century.
Immigrants--Germany--Wolfsburg (Lower Saxony)--History--20th century.
Italians--Germany--Wolfsburg (Lower Saxony)--History--20th century.
Italy--Emigration and immigration--History--20th century.
Wolfsburg (Lower Saxony, Germany)--Emigration and immigration--History--20th century.