Columbia subject headings:
Camonica Valley (Italy)--Description and travel--Congresses.
Charlemagne, Emperor, 742-814--Legends--History and criticism--Congresses.
Charlemagne, Emperor, 742-814--Travel--Italy--Camonica Valley--Congresses.
Charlemagne, Emperor, 742-814--Travel--Italy--Trentino-Alto Adige--Congresses.
Trentino-Alto Adige (Italy)--Description and travel--Congresses.
Harvard subject headings:
Camonica Valley (Italy)--Description and travel--Congresses.
Charlemagne, Emperor, 742-814--Legends--History and criticism--Congresses.
Charlemagne, Emperor, 742-814--Travel--Italy--Camonica Valley--Congresses.
Charlemagne, Emperor, 742-814--Travel--Italy--Trentino-Alto Adige--Congresses.
Trentino-Alto Adige (Italy)--Description and travel--Congresses.
Princeton subject headings:
Camonica Valley (Italy)--Description and travel--Congresses.
Charlemagne, Emperor, 742-814--Legends--History and criticism--Congresses.
Charlemagne, Emperor, 742-814--Travel--Italy--Camonica Valley--Congresses.
Charlemagne, Emperor, 742-814--Travel--Italy--Trentino-Alto Adige--Congresses.
Trentino-Alto Adige (Italy)--Description and travel--Congresses.