Columbia subject headings:
Harvard subject headings:
Local government--Spain--History--Sources.
Municipal corporations--Spain--History--Sources.
Municipal government--Spain--History--Sources.
Unión de Municipios Españoles--History--Sources.
Princeton subject headings:
Local government--Spain--History--Sources.
Municipal corporations--Spain--History--Sources.
Municipal government--Spain--History--Sources.
Unión de Municipios Españoles--History--Sources.