Columbia subject headings:
Housing--Europe--History--20th century--Exhibitions.
Harvard subject headings:
Housing policy--History--Europe--Exhibitions.
Public architecture--History--Europe--Exhibitions.
Public housing--Europe--History--Exhibitions.
Urban policy--Europe--History--Exhibitions.
Princeton subject headings:
Architecture, Domestic--Congresses.
Architecture, Modern--20th century--Congresses.
Architecture, Modern--21st century--Congresses.
Housing--Congresses.