Columbia subject headings:
Harvard subject headings:
Art, Italian--18th century--Spanish influences.
Art, Italian--Spain--18th century.
Art, Spanish--18th century--Italian influences.
Art, Spanish--Italy--Rome--18th century.
Princeton subject headings:
Art, Spanish--18th century--Italian influences.
Italy--Relations--Spain--History--18th century.
Spain--Relations--Italy--History--18th century.