Columbia subject headings:
Esposizione universale di Roma (1942 : Rome, Italy)
Gardens--Italy--Rome.
Landscape architecture--Italy--Rome.
Parks--Italy--Rome.
Harvard subject headings:
Esposizione universale di Roma (1942 : Rome, Italy)
Gardens--Italy--Rome.
Landscape architecture--Italy--Rome.
Parks--Italy--Rome.
Princeton subject headings:
Esposizione universale di Roma (1942 : Rome, Italy)
Exhibitions--Italy--Rome.
Gardens--Italy--Rome.
Parks--Italy--Rome.