Columbia subject headings:
Art and science.
Enlightenment--Spain--History.
Spain--Civilization--18th century.
Harvard subject headings:
Art and science--History--18th century.
Art and science--History--19th century.
Spain--Intellectual life--18th century.
Spain--Intellectual life--19th century.
Princeton subject headings:
Art and science--History--18th century.
Art and science--History--19th century.
Spain--Intellectual life--18th century.
Spain--Intellectual life--19th century.