Columbia subject headings:
Architects--Austria--Biography.
Architecture--Austria--History--19th century.
Architecture--Austria--History--20th century.
Architecture--Austria.
Harvard subject headings:
Architecture, Modern--19th century--Hungary.
Architecture, Modern--20th century--Austria.
Architecture, Modern--20th century--Hungary.
Architecture--Austria--History--19th century.
Architecture--Austria--History--20th century
Architecture--Hungary--History--19th century.
Architecture--Hungary--History--20th century.
Princeton subject headings:
Architects--Austria--Biography.
Architecture--Austria--19th century.
Architecture--Austria--History--20th century.
Architecture--Austria.