Columbia subject headings:
Harvard subject headings:
Buildings--Italy--Tuscan Archipelago.
Gardens--Italy--Tuscan Archipelago.
Tuscan Archipelago (Italy)--Buildings, structures, etc.
Tuscan Archipelago (Italy)--Description and travel.
Princeton subject headings:
Fortification--Italy--Tuscan Archipelago.
Gardens--Italy--Tuscan Archipelago.
Landscape architecture--Italy--Tuscan Archipelago.
Tuscan Archipelago (Italy)--Description and travel.