Columbia subject headings:
Harvard subject headings:
Architecture, Modern--20th century--Austria--Vienna--Exhibitions.
City planning--Austria--Vienna--History--20th century--Exhibitions.
Dwellings--Austria--Vienna--Exhibitions.
Princeton subject headings:
Architecture, Modern--20th century--Austria--Vienna--Exhibitions.
City planning--Austria--Vienna--History--20th century--Exhibitions.
Dwellings--Austria--Vienna--Exhibitions.