Columbia subject headings:
City planning--History--20th century.
City planning--Philosophy.
City planning.
Constant, 1920-2005--Exhibitions.
Constant, 1920-2005.
Harvard subject headings:
City planning--History--20th century
City planning--History--20th century.
City planning--Philosophy
Constant, 1920-2005--Contributions in city planning.
Constant, 1920-2005--Exhibitions.
Internationale situationniste.
Princeton subject headings:
City planning--History--20th century.
City planning--Philosophy.
Constant, 1920-2005--Exhibitions.
Constant, 1920-2005.