Columbia subject headings:
Architecture--Austria--History--20th century--Exhibitions.
Architecture--Austria--History--21st century--Exhibitions.
Podrecca, Boris, 1940---Exhibitions.
Wiener Städtische Allgemeine Versicherung (Firm). Ringturm Exhibition Centre--Exhibitions.
Harvard subject headings:
Architects--Austria--Vienna--Exhibitions.
Architecture--Austria--Vienna--20th century--Exhibitions.
Architecture--Austria--Vienna--21st century--Exhibitions.
Exhibition buildings--Austria--Vienna.
Podrecca, Boris, 1940---Exhibitions.
Wiener Städtische Allgemeine Versicherung (Firm). Ringturm Exhibition Centre--Exhibitions.
Princeton subject headings:
Architecture--Austria--20th century--Exhibitions.
Architecture--Austria--21th century--Exhibitions.
Podrecca, Boris, 1940---Exhibitions.
Wiener Städtische Allgemeine Versicherung (Firm). Ringturm Exhibition Centre--Exhibitions.