Columbia subject headings:
Harvard subject headings:
Europe, Northern--Civilization--18th century.
Europe, Northern--Relations--Italy--Tuscany.
Tuscany (Italy)--Civilization--18th century.
Tuscany (Italy)--Relations--Europe, Northern.
Princeton subject headings:
Europe--Civilization--18th century.
Science--Europe, Northern--History--18th century.
Science--Italy--Tuscany--History--18th century.