Columbia subject headings:
Aragon (Spain)--Commerce--History--Dictionaries--Spanish.
Commerce--History--Medieval, 500-1500--Dictionaries--Spanish.
Harvard subject headings:
Aragon (Spain)--Commerce--History--Dictionaries--Spanish.
Commerce--History--Medieval, 500-1500--Dictionaries--Spanish.
Princeton subject headings:
Aragon (Spain)--Commerce--History--Dictionaries--Spanish.
Commerce--History--Medieval, 500-1500--Dictionaries--Spanish.