Columbia subject headings:
Architecture, Modern--20th century.
Architecture, Modern--21st century.
Coop Himmelblau.
Harvard subject headings:
Architectural firms--Austria.
Architecture, Modern--21st century
Coop Himmelblau.
Prix, Wolf D., 1942-
Princeton subject headings:
Architecture, Modern--20th century--Catalogs.
Architecture, Modern--21st century--Catalogs.
Catalogs.
Coop Himmelblau--Catalogs.