Columbia subject headings:
Geopolitics--Mexico--Puebla (State)
Puebla (Mexico : State)--Politics and government.
Harvard subject headings:
Geopolitics--Mexico--Puebla (State)
Puebla (Mexico : State)--Politics and government.
Princeton subject headings:
Geopolitics--Mexico--Puebla (State).
Puebla (Mexico : State)--Politics and government.