Columbia subject headings:
Harvard subject headings:
Cuéllar (Spain)--Economic conditions.
Cuéllar (Spain)--History.
Cuéllar (Spain)--Social conditions.
Regional planning--Spain--Cuéllar--History.
Princeton subject headings:
Cuéllar (Spain)--Economic conditions.
Cuéllar (Spain)--History.
Cuéllar (Spain)--Social conditions.
Regional planning--Spain--Cuéllar--History.