Columbia subject headings:
Harvard subject headings:
Elections--Spain--History--Maps.
Elections--Spain--History--Statistics.
Political parties--Spain--History--Statistics.
Spain--Politics and government--1975-1982--Statistics.
Spain--Politics and government--1982---Statistics.
Princeton subject headings:
Elections--Spain--History--20th century.
Elections--Spain--History--21st century.
Political parties--Spain--History--20th century.
Political parties--Spain--History--21st century.