Columbia subject headings:
Architecture--Spain--Zaragoza (Province)--History--17th century.
Architecture--Spain--Zaragoza (Province)--History--18th century.
Church architecture--Spain--Zaragoza (Province)
Harvard subject headings:
Church architecture--Spain--Zaragoza (Province)
Zaragoza (Spain)--Buildings, structures, etc.
Princeton subject headings:
Architecture--Spain--Zaragoza (Province)--History--17th century.
Architecture--Spain--Zaragoza (Province)--History--18th century.
Church architecture--Spain--Zaragoza (Province).