Columbia subject headings:
Architecture, Domestic--Spain--Valladolid--Designs and plans--Congresses.
Barrio de la Rondilla (Valladolid, Spain)--Congresses.
Urban renewal--Spain--Valladolid--History--21st century--Congresses.
Harvard subject headings:
Architecture, Domestic--Spain--Valladolid--Designs and plans--Congresses.
Barrio de la Rondilla (Valladolid, Spain)--Congresses.
Urban renewal--Spain--Valladolid--History--21st century--Congresses.
Princeton subject headings: