Columbia subject headings:
Chiavenna (Italy)--History.
Sondrio (Italy : Province)--Antiquities.
Sondrio (Italy : Province)--History.
Valtellina (Italy)--History.
Harvard subject headings:
Chiavenna (Italy)--History.
Sondrio (Italy : Province)--Antiquities.
Sondrio (Italy : Province)--History.
Valtellina (Italy)--History.
Princeton subject headings: