Columbia subject headings:
Spain--Economic conditions--16th century.
Spain--Economic conditions--17th century.
Spain--Economic conditions--18th century.
Spain--Social conditions--16th century.
Spain--Social conditions--17th century.
Spain--Social conditions--To 1800.
Harvard subject headings:
Spain--Economic conditions--16th century.
Spain--Economic conditions--17th century.
Spain--Economic conditions--18th century.
Princeton subject headings: