Columbia subject headings:
Architectural drawing.
Krier, Rob--Exhibitions.
Harvard subject headings:
Architects--Austria.
Architectural drawing--Europe--20th century.
Architectural practice, International.
City planning--Europe
City planning--Europe--History--20th century
Krier, Rob--Catalogs.
Krier, Rob.
Visionary architecture.
Princeton subject headings:
Architectural drawing--20th century--Europe.
Catalogs.
City planning--Europe--History--20th century.
Krier, Rob--Catalogs.