Columbia subject headings:
Spain--History--19th century.
Spain--History--20th century.
Spain--Intellectual life.
Harvard subject headings:
Spain--History--19th century.
Spain--History--20th century.
Spain--Intellectual life--19th century.
Spain--Intellectual life--20th century.
Princeton subject headings:
Spain--Intellectual life--19th century.
Spain--Intellectual life--20th century.
Spain--Politics and government--19th century.
Spain--Politics and government--20th century.