Columbia subject headings:
Jerez de la Frontera (Spain)--Alcázar--History.
Jerez de la Frontera (Spain)--Buildings, structures, etc.
Jerez de la Frontera (Spain)--Guidebooks.
Harvard subject headings:
Alcázar (Jerez de la Frontera, Spain)--Guidebooks.
Historic buildings--Spain--Jerez de la Frontera--Guidebooks.
Princeton subject headings: