Columbia subject headings:
City planning--Spain--Murcia--History--20th century.
City planning--Spain--Málaga--History--20th century.
City planning--Spain--Valladolid--History--20th century.
Harvard subject headings:
City planning--Spain--Málaga--History--20th century.
City planning--Spain--Murcia--History--20th century.
City planning--Spain--Valladolid--History--20th century.
Princeton subject headings: