Columbia subject headings:
Democratization--Spain.
Labor movement--Europe.
Socialism--Europe.
Spain--Politics and government--1939-1975.
Spain--Politics and government--1975-1982.
Harvard subject headings:
Democratization--Spain.
Labor movement--Europe
Socialism--Europe
Spain--Politics and government--1939-1975.
Spain--Politics and government--1975-1982.
Princeton subject headings:
Democratization--Spain.
Labor movement--Europe.
Socialism--Europe.
Spain--Politics and government--1939-1975.
Spain--Politics and government--1975-.