Columbia subject headings:
Architects--Austria--20th century--Exhibitions.
Architecture--Austria--History--20th century--Exhibitions.
Ströbele, Claus--Exhibitions.
Harvard subject headings:
Architects--Austria--Bregenz.
Architecture--Austria--Bregenz--20th century.
Ströbele, Claus, 1903-1988--Exhibitions.
Princeton subject headings: