Columbia subject headings:
Architecture, Modern--20th century--Exhibitions.
Frank, Josef, 1885-1967--Exhibitions.
Harvard subject headings:
Architects--Austria.
Architecture, Modern--20th century--Austria--Exhibitions.
Architecture, Modern--20th century--Exhibitions
Architecture, Modern--20th century--Sweden--Exhibitions.
Frank, Josef, 1885-1967--Exhibitions.
Princeton subject headings: