Columbia subject headings:
Harvard subject headings:
Architectural firms--Belgium.
Architecture--Belgium--20th century.
Atelier d'art urbain--Criticism and interpretation.
Brussels (Belgium)--Buildings, structures, etc.
Princeton subject headings:
Architecture, Modern--20th century.
Architecture--Belgium--20th century.
Architecture--Belgium--Brussels--20th century.
Atelier d'art urbain.
Brussels (Belgium)--Buildings, structures, etc.