Columbia subject headings:
Harvard subject headings:
Leon (Kingdom)--Maps.
León (Spain : Province)--Description and travel.
León (Spain : Province)--Maps.
Salamanca (Spain : Province)--Description and travel.
Salamanca (Spain : Province)--Maps.
Zamora (Spain : Province)--Description and travel.
Zamora (Spain : Province)--Maps.
Princeton subject headings:
Leon (Kingdom)--Description and travel.
Leon (Kingdom)--Maps.