Columbia subject headings:
Harvard subject headings:
Cities and towns--Congresses
Cultural pluralism--Congresses
Metropolitan areas--Congresses
Sociology, Urban--Congresses.
Urbanization--Congresses
Princeton subject headings:
Cities and towns--Congresses.
Cultural pluralism--Congresses.
Metropolitan areas--Congresses.
Sociology, Urban--Congresses.
Urbanization--Congresses.