Columbia subject headings:
Chihuahua (Mexico : State)--Politics and government.
Elections--Mexico--Chihuahua (State)
Partido Revolucionario Institucional.
Harvard subject headings:
Chihuahua (Mexico : State)--Politics and government.
Elections--Mexico--Chihuahua (State)
Partido Revolucionario Institucional.
Princeton subject headings:
Chihuahua (Mexico : State)--Politics and government.
Elections--Mexico--Chihuahua (State).
Partido Revolucionario Institucional.
Representative government and representation--Mexico--Chihuahua (State).