Columbia subject headings:
Harvard subject headings:
Chestnut--Italy--Mugello Valley--History--Congresses.
Christian pilgrims and pilgrimages--Italy--History--Congresses.
Via Faentina (Italy)--History--Congresses.
Princeton subject headings:
Chestnut--Italy--Mugello Valley--History--Congresses.
Christian pilgrims and pilgrimages--Italy--History--Congresses.
Via Faentina (Italy)--History--Congresses.