Columbia subject headings:
Harvard subject headings:
Cities and towns--United States--History
City and town life--United States--History
City planning--United States--History
United States--Economic conditions.
United States--Social conditions.
Urbanization--United States--History
Princeton subject headings:
Cities and towns--United States--History.
City and town life--United States--History.
City planning--United States--History.
United States--Economic conditions.
United States--Social conditions.
Urbanization--United States--History.