Columbia subject headings:
Harvard subject headings:
Aragon (Spain)--History--Miscellanea.
Catalonia (Spain)--History--Miscellanea.
Tortosa (Spain)--History--Miscellanea.
Princeton subject headings:
Aragon (Spain)--History--Miscellanea.
Catalonia (Spain)--History--Miscellanea.
Tortosa (Spain)--History--Miscellanea.