Columbia subject headings:
Quarries and quarrying--Italy--Impruneta.
Stonemasonry--Italy--Impruneta.
Harvard subject headings:
Impruneta Region (Italy)--Economic conditions.
Impruneta Region (Italy)--History.
Quarries and quarrying--Italy--Impruneta.
Stonemasonry--Italy--Impruneta.
Princeton subject headings:
Quarries and quarrying--Italy--Impruneta.
Stonemasonry--Italy--Impruneta.