Columbia subject headings:
Harvard subject headings:
Foreign workers--Switzerland--Social conditions.
Immigrants--Switzerland--Social conditions.
Italians--Switzerland--Social conditions.
Protest movements--Switzerland--History--20th century.
Schwarzenbach, James.
Social movements--Switzerland--History--20th century.
Switzerland--Emigration and immigration--Government policy.
Switzerland--Race relations--Political aspects.
Princeton subject headings:
Foreign workers--Switzerland--Social conditions.
Immigrants--Switzerland--Social conditions.
Italians--Switzerland--Social conditions.
Protest movements--Switzerland--History--20th century.
Schwarzenbach, James.
Social movements--Switzerland--History--20th century.
Switzerland--Emigration and immigration--Government policy.
Switzerland--Race relations--Political aspects.