Columbia subject headings:
Calvino, Italo--Homes and haunts.
Calvino, Mario, 1875-1951--Employees.
Gardeners--Italy--Biography.
Guglielmi, Libereso, 1925-
Italy--Social life and customs.
Harvard subject headings:
Agriculturists--Italy--Biography.
Calvino, Mario, 1875-1951.
Gardeners--Italy--Interviews.
Guglielmi, Libereso, 1925---Interviews.
Princeton subject headings: