Columbia subject headings:
Social groups--Spain.
Social movements--Spain.
Social participation--Spain.
Spain--Social conditions--1975-
Harvard subject headings:
Social groups--Spain.
Social movements--Spain--History--20th century.
Social movements--Spain--History--21st century.
Social movements--Spain.
Social participation--Spain.
Spain--Social conditions--20th century.
Spain--Social conditions--21st century.
Princeton subject headings:
Social groups--Spain.
Social movements--Spain.
Social participation--Spain.
Spain--Social conditions--1975-