Columbia subject headings:
Harvard subject headings:
Sociology, Urban--Austria--Vienna.
Vienna (Austria)--Forecasting.
Vienna (Austria)--History
Princeton subject headings:
City planning--Austria--Vienna--History--20th century.
Social planning--Austria--Vienna--20th century--History.
Vienna (Austria)--Social conditions--20th century.
Vienna (Austria)--Social policy--20th century--History.
Working class--Austria--Vienna--History--20th century.