Columbia subject headings:
Economic development--Spain--History--20th century.
Spain--Economic conditions--1918-1975.
Spain--Economic policy.
Harvard subject headings:
Economic development--Spain--History--20th century.
Spain--Economic conditions--1918-1975.
Spain--Economic policy.
Princeton subject headings:
Economic development--Spain--History--20th century.
Spain--Economic conditions--1918-1975.
Spain--Economic policy.