Columbia subject headings:
Architecture, Modern--20th century--Austria--Vienna.
Architecture--Austria--Vienna.
Vienna (Austria)--Buildings, structures, etc.
Harvard subject headings:
Architecture, Modern--20th century--Austria--Vienna.
Architecture--Austria--Vienna--History--20th century
Architecture--Austria--Vienna--History.
Buildings--Austria--Vienna.
Vienna (Austria)--Buildings, structures, etc.
Princeton subject headings:
Architecture, Modern--20th century--Austria--Vienna.
Architecture--Austria--Vienna.
Vienna (Austria)--Buildings, structures, etc.