Columbia subject headings:
Censorship--Spain--History--18th century.
Spain--History--Charles III, 1759-1788.
Spain--Intellectual life--18th century.
Harvard subject headings:
Censorship--Spain--History--18th century.
Spain--History--Charles III, 1759-1788.
Spain--Intellectual life--18th century.
Princeton subject headings:
Censorship--Spain--History--18th century.
Spain--History--Charles III, 1759-1788.
Spain--Intellectual life--18th century.