Columbia subject headings:
Education, Elementary--Italy--San Donato Val di Comino--History.
San Donato Val di Comino (Italy)--Buildings, structures, etc.
School buildings--Italy--San Donato Val di Comino.
Harvard subject headings:
Education, Elementary--Italy--San Donato Val di Comino--History.
San Donato Val di Comino (Italy)--Buildings, structures, etc.
School buildings--Italy--San Donato Val di Comino.
Princeton subject headings:
Education, Elementary--Italy--San Donato Val di Comino--History.
San Donato Val di Comino (Italy)--Buildings, structures, etc.
School buildings--Italy--San Donato Val di Comino.