Columbia subject headings:
Baja California (Mexico : State)--Politics and government.
Elections--Mexico--Baja California (State)--History.
Harvard subject headings:
Baja California (Mexico : State)--Politics and government--20th century.
Baja California (Mexico : State)--Politics and government--21st century.
Elections--Mexico--Baja California (State)--History--20th century.
Elections--Mexico--Baja California (State)--History--21st century.
Princeton subject headings:
Baja California (Mexico : State)--Politics and government--20th century.
Baja California (Mexico : State)--Politics and government--21st century.
Elections--Mexico--Baja California (State)--History--20th century.
Elections--Mexico--Baja California (State)--History--21st century.