Columbia subject headings:
Architecture, Austrian--Europe--History--20th century--Congresses.
Architecture, Modern--20th century--Austrian influences--History--Congresses.
Architecture--Austria--Vienna--History--20th century--Congresses.
Wiener Secession--History--Congresses.
Harvard subject headings:
Architects--Austria--Vienna--Biography.
Architecture, Modern--20th century--Austria--Vienna--Congresses.
Architecture, Modern--20th century--Austria--Vienna--Influence--Congresses.
Architecture--Austria--Vienna--Congresses.
Architecture--Austria--Vienna--History--Congresses.
Architecture--Austria--Vienna--Influence--Congresses.
Vienna (Austria)--Buildings, structures, etc.--Congresses.
Princeton subject headings:
Architects--Austria--Vienna--Biography.
Architecture, Modern--20th century--Austria--Vienna--Congresses.
Architecture, Modern--20th century--Austria--Vienna--Influence--Congresses.
Architecture--Austria--Vienna--Congresses.
Vienna (Austria)--Buildings, structures, etc.--Congresses.