Columbia subject headings:
Floriculture--Italy--Florence--History.
Floriculture--Italy--Rome--History.
Flowers--Collection and preservation--Europe--History.
Gardens--Italy--Florence--History.
Gardens--Italy--Rome--History.
Harvard subject headings:
Floriculture--Italy--Florence--History.
Floriculture--Italy--Rome--History.
Flowers--Collection and preservation--Europe--History.
Gardens--Italy--Florence--History.
Gardens--Italy--Rome--History.
Princeton subject headings:
Floriculture--Italy--Florence--History.
Floriculture--Italy--Rome--History.
Flowers--Collection and preservation--Europe--History.
Gardens--Italy--Florence--History.
Gardens--Italy--Rome--History.