Columbia subject headings:
Apennines (Italy)--History.
Marche (Italy)--History.
Umbria (Italy)--History.
Harvard subject headings:
Apennines (Italy)--History.
Marche (Italy)--History.
Umbria (Italy)--History.
Princeton subject headings:
Marche (Italy)--Religious life and customs.
Religious thought--Italy--Chienti River Valley.
Umbria (Italy)--Religious life and customs.