Columbia subject headings:
Political parties--Spain.
Representative government and representation--Spain.
Spain--Politics and government--1975-1982.
Unión de Centro Democrático (Spain)
Harvard subject headings:
Political parties--Spain
Representative government and representation--Spain
Spain--Politics and government--1975-1982.
Unión de Centro Democrático (Spain)
Princeton subject headings:
Spain--politics and government--1975-.
Unión de Centro Democrático (Spain)