Columbia subject headings:
Gardens--Italy--Design.
Landscape architecture--Italy.
Landscape gardening--Italy.
Porcinai, Pietro, 1910-1986.
Harvard subject headings:
Gardens--Italy
Gardens--Italy--Design.
Landscape architects--Italy--Biography.
Landscape architects--Italy.
Landscape architecture--Italy.
Porcinai, Pietro, 1910-1986.
Princeton subject headings:
Gardens--Italy.
Landscape architects--Italy--Biography.
Landscape architecture--Italy.
Porcinai, Pietro, 1910-1986.