Columbia subject headings:
Harvard subject headings:
Portugal--Politics and government--1933-1974.
Portugal--Social policy.
Public welfare--Portugal--History--20th century.
Social security--Portugal--History--20th century.
Welfare state--Portugal--History--20th century.
Princeton subject headings:
Portugal--Politics and government--1933-1974.
Portugal--Social policy.
Public welfare--Portugal--History--20th century.
Social security--Portugal--History--20th century.
Welfare state--Portugal--History--20th century.