Columbia subject headings:
Foreign workers--Research--Germany (West)--History.
Social integration--Research--Germany (West)--History.
Stiftung Volkswagenwerk--History.
Harvard subject headings:
Foreign workers--Research--Germany (West)--History.
Germany (West)--Emigration and immigration--Study and teaching.
Immigrants--Germany (West)--Study and teaching.
Social integration--Research--Germany (West)--History.
Stiftung Volkswagenwerk--History.
Princeton subject headings:
Migrant labor--Germany (West)--Social conditions.
Social problems.