Columbia subject headings:
City planning--Connecticut--New Haven.
City planning--Connecticut.
City planning--Mathematical models.
Regional planning--Connecticut--New Haven Metropolitan Area.
Harvard subject headings:
City planning--Connecticut--New Haven.
City planning--Mathematical models
Regional planning--Connecticut--New Haven Metropolitan Area.
Princeton subject headings:
City planning--Connecticut--New Haven.
City planning--Mathematical models.
Regional planning--Connecticut--New Haven Metropolitan Area.