Columbia subject headings:
Architecture, Modern--20th century--Philosophy.
Architecture--Austria--History--20th century.
Hundertwasser, Friedensreich, 1928-2000.
Harvard subject headings:
Architects--Austria.
Architecture, Modern--20th century--Austria.
Architecture, Modern--20th century--Philosophy
Architecture--Austria--History--20th century
Hundertwasser, Friedensreich, 1928-2000.
Princeton subject headings:
Architecture, Modern--20th century--Austria.
Hundertwasser, Friedensreich, 1928-2000.