Columbia subject headings:
Harvard subject headings:
Agricultural laws and legislation--Spain.
Industries--Spain--History--18th century.
Manufactures--Spain--History.
Mines and mineral resources--Spain.
Spain--Commerce--History.
Spain--Economic conditions.
Spain--History.
Princeton subject headings:
Industries--Spain--History.
Manufactures--Spain--History.
Manufacturing industries--Spain--History.
Mines and mineral resources--Spain--History.
Spain--Commerce--History.
Spain--Economic conditions.
Spain--History.