Columbia subject headings:
Harvard subject headings:
Gardens--Design--Italy--Emilia-Romgana--20th century.
Gardens--Design--Italy--Veneto--20th century.
Gardens--Italy--Emilia-Romgana.
Gardens--Italy--Veneto.
Landscape architects--Italy--20th century.
Landscape architecture--Italy--20th century.
Porcinai, Pietro, 1910-1986.
Princeton subject headings:
Gardens--Italy.
Landscape architecture--Italy.
Porcinai, Pietro, 1910-1986.