Columbia subject headings:
Harvard subject headings:
Housing, Cooperative--Spain--History--20th century--Exhibitions.
Low-income housing--Spain--History--20th century--Exhibitions.
Public housing--Spain--History--20th century--Exhibitions.
Working class--Dwellings--Spain--History--20th century--Exhibitions.
Princeton subject headings:
Housing, Cooperative--Spain--History--20th century--Exhibitions.
Low-income housing--Spain--History--20th century--Exhibitions.
Public housing--Spain--History--20th century--Exhibitions.
Working class--Dwellings--Spain--History--20th century.--Exhibitions.