Columbia subject headings:
Harvard subject headings:
Early maps.
Papal States--Maps--Early works to 1800.
Roads--Italy--Papal States--Maps--Early works to 1800.
Roads--Italy--Tuscany--Maps--Early works to 1800.
Tuscany (Italy)--Maps--Early works to 1800.
Princeton subject headings:
Maps.
Papal States--Maps--Early works to 1800.
Tuscany (Italy)--Maps--Early works to 1800.