Columbia subject headings:
Architecture--Norway--History--20th century--Catalogs.
Knutsen, Bengt Espen, 1933---Catalogs.
Harvard subject headings:
Architects--Norway.
Architecture, Modern--20th century--Norway.
Knutsen, Bengt Espen, 1933---Criticism and interpretation.
Princeton subject headings:
Architecture, Modern--20th century--Norway--Catalogs.
Knutsen, Bengt Espen, 1933---Catalogs.