Columbia subject headings:
City planning--Evaluation.
Regional planning--Evaluation.
Harvard subject headings:
City planning--Evaluation--Congresses.
Hill, Morris--Congresses.
Regional planning--Evaluation--Congresses.
Princeton subject headings:
City planning--Evaluation--Congresses.
Hill, Morris.
Land use planning--Evaluation--Congresses.
Regional planning--Evaluation--Congresses.