Columbia subject headings:
Alfonso VII, The Emperor, King of Castile, 1104-1157.
Castile (Spain)--History--Alfonso VII, 1126-1157.
Leon (Kingdom)--History.
Harvard subject headings:
Alfonso VII, The Emperor, King of Castile, 1104-1157
Castile (Spain)--History--Alfonso VII, 1126-1157
Princeton subject headings:
Alfonso VII, The Emperor, King of Castile, 1104-1157.
Castile (Spain)--History--Alfonso VII, 1126-1157.