Columbia subject headings:
Seville (Spain)--Buildings, structures, etc.
Torre del Oro (Seville, Spain)
Harvard subject headings:
Seville (Spain)--Buildings, structures, etc.
Torre del Oro (Seville, Spain)
Princeton subject headings:
Seville (Spain)--Buildings, structures, etc.
Seville (Spain)--History.
Torre del Oro (Seville, Spain)