Columbia subject headings:
Constitutional history--Spain--History--20th century.
Decentralization in government--Spain--History--20th century.
Federal government--Spain--Autonomous communities.
Spain. Constitución (1931)
Harvard subject headings:
Constitutional history--Spain--History--20th century.
Decentralization in government--Spain--History--20th century.
Federal government--Spain--Autonomous communities.
Spain. Constitución (1931)
Princeton subject headings: