Columbia subject headings:
Cities and towns--United States--Bibliography.
Sociology, Urban--Bibliography.
Urbanization--United States--Bibliography.
Harvard subject headings:
Cities and towns--United States--Bibliography.
Sociology, Urban--Bibliography.
Urbanization--United States--Bibliography.
Princeton subject headings:
Cities and towns--United States--Bibliography.
Sociology, Urban--Bibliography.
Urbanization--United States--Bibliography.