Columbia subject headings:
Cities and towns--Mexico--Congresses.
Discrimination in housing--Mexico--Congresses.
Marginality, Social--Mexico--Congresses.
Sociology, Urban--Mexico--Congresses.
Harvard subject headings:
City planning--Latin America.
City planning--Mexico
Discrimination in housing--Latin America.
Discrimination in housing--Mexico.
Mexico--Social conditions--1970---Congresses.
Princeton subject headings:
City planning--Latin America--Congresses.
City planning--Mexico--Congresses.
Discrimination in housing--Latin America--Congresses.
Discrimination in housing--Mexico--Congresses.
Equality--Latin America--Congresses.
Equality--Mexico--Congresses.
Marginality, Social--Latin America--Congresses.
Marginality, Social--Mexico--Congresses.