Columbia subject headings:
Harvard subject headings:
Carolingians--History--Sources.
Catalonia (Spain)--History--Sources.
Catalonia (Spain)--History.
Manresa (Spain)--History--Sources.
Manresa (Spain)--History.
Osona (Spain)--History.
Osona Region (Spain)--History--Sources.
Princeton subject headings:
Carolingians--History--Sources.
Catalonia (Spain)--History--Sources.
Manresa (Spain)--History--Sources.
Osona Region (Spain)--History--Sources.