Columbia subject headings:
Cities and towns--Documentation--Congresses.
City planning--Documentation--Congresses.
Municipal government--Documentation--Congresses.
Harvard subject headings:
Cities and towns--Documentation--Congresses.
City planning--Documentation--Congresses.
Municipal government--Documentation--Congresses.
Princeton subject headings:
Cities and towns--Documentation--Congresses.
City planning--Documentation--Congresses.
Municipal government--Documentation--Congresses.