Columbia subject headings:
Spain--Politics and government--19th century.
Spain--Social conditions--19th century.
Harvard subject headings:
Social change--Spain--History--19th century.
Spain--Politics and government--19th century.
Spain--Social conditions--19th century.
Princeton subject headings:
Social change--Spain--History--19th century.
Spain--Politics and government--19th century.
Spain--Social conditions--19th century.