Columbia subject headings:
Harvard subject headings:
Architecture--Austria--20th century.
Art nouveau--Austria.
Art, Austrian--Austria--Vienna--19th century.
Art, Austrian--Austria--Vienna--20th century.
Designers--Austria--Biography.
Illustrators--Austria--Biography
Urban, Joseph, 1872-1933--Criticism and interpretation.
Princeton subject headings:
Architects--United States--Biography.
Architecture, Modern--20th century.
Art nouveau (Architecture)
Illustrators--United States--Biography.
Urban, Joseph, 1872-1933--Criticism and interpretation.