Columbia subject headings:
Cities and towns--Mexico--Congresses.
Metropolitan areas--Mexico--Congresses.
Urbanization--Mexico--Congresses.
Harvard subject headings:
Cities and towns--Mexico--Congresses.
City planning and redevelopment law--Mexico--Congresses.
Metropolitan areas--Mexico--Congresses.
Municipal government--Mexico--Congresses.
Urbanization--Mexico--Congresses.
Princeton subject headings:
Cities and towns--Mexico--Congresses.
City planning and redevelopment law--Mexico--Congresses.
Metropolitan areas--Mexico--Congresses.
Municipal government--Mexico--Congresses.
Urbanization--Mexico--Congresses.