Columbia subject headings:
Harvard subject headings:
Associations, institutions, etc.--Spain--History--18th century.
Associations, institutions, etc.--Spain--History.
Economics--Societies, etc.
Economics--Societies, etc.--18th century.
Spain--Economic conditions--18th century--Societies, etc.
Spain--Economic conditions--Societies, etc.
Princeton subject headings:
Associations, institutions, etc.--Spain--History.
Economics--Societies, etc.
Spain--Economic conditions--Societies, etc.