Columbia subject headings:
Harvard subject headings:
Architecture--Austria--Vienna
Architecture--Austria--Vienna--20th century.
Architecture--Austria--Vienna--History.
City planning--Austria--Vienna--History.
Urban renewal--Austria--Vienna.
Urbanization--Austria--Vienna.
rban renewal--Austria--Vienna.
Princeton subject headings:
Architecture--Austria--Vienna--20th century.
Architecture--Austria--Vienna--21st century.
City planning--Austria--Vienna--History.
Urban renewal--Austria--Vienna.
Urbanization--Austria--Vienna.