Columbia subject headings:
Sociology, Urban--Periodicals.
Urban economics--Periodicals.
Urbanization--Periodicals.
Harvard subject headings:
Sociology, Urban--Periodicals.
Urban economics--Periodicals.
Urbanization--Periodicals.
Princeton subject headings:
Periodicals.
Sociology, Urban--Periodicals.
Urban economics--Periodicals.
Urbanization--Periodicals.