Columbia subject headings:
Harvard subject headings:
Asturias de Santillana (Spain)--Economic conditions.
Asturias de Santillana (Spain)--Politics and government.
Asturias de Santillana (Spain)--Social conditions.
Princeton subject headings:
Asturias de Santillana (Spain)--Economic conditions.
Asturias de Santillana (Spain)--Politics and government.
Asturias de Santillana (Spain)--Social conditions.