Columbia subject headings:
Zaragoza (Spain)--Guidebooks.
Zaragoza (Spain)--History.
Harvard subject headings:
Cultural property--Spain--Zaragoza.
Exposición Internacional de Zaragoza (2008)
World Heritage areas--Spain--Zaragoza.
Zaragoza (Spain)--Description and travel.
Zaragoza (Spain)--Pictorial works.
Princeton subject headings:
Cultural property--Spain--Zaragoza.
Exposición Internacional de Zaragoza (2008)
World Heritage areas--Spain--Zaragoza.
Zaragoza (Spain)--Description and travel.
Zaragoza (Spain)--Pictorial works.