Columbia subject headings:
City planning--Congresses.
Community development--Congresses.
Metropolitan areas--Congresses.
Urban economics--Congresses.
Harvard subject headings:
City planning--Congresses
Community development--Congresses.
Metropolitan areas--Congresses
Urban economics--Congresses.
Princeton subject headings:
City planning--Congresses.
Community development--Congresses.
Metropolitan areas--Congresses.
Urban economics--Congresses.