Columbia subject headings:
Harvard subject headings:
Mexico--Cultural policy--Congresses.
Puebla (Mexico : State)--Cultural policy--Congresses.
Urban policy--Mexico--Congresses.
Urban policy--Mexico--Puebla (State)--Congresses.
Urban policy--Spain--Barcelona--Congresses.
Princeton subject headings:
Case studies.
City planning--Mexico ;--Case studies.
City planning--Mexico.
City planning.
Sociology, Urban--Mexico ;--Case studies.
Sociology, Urban.