Columbia subject headings:
Baja California (Mexico : Peninsula)--Discovery and exploration--Spanish.
California--Discovery and exploration--Spanish.
Missions--California.
Missions--Mexico--Baja California (Peninsula)
Harvard subject headings:
Baja California (Mexico : State)--History.
California--History--To 1846.
Spaniards--California--History
Urbanization--California--History.
Urbanization--Mexico--Baja California (State)--History.
Princeton subject headings:
Baja California (Mexico : State)--History.
California--History--To 1846.
Spaniards--California--History.
Urbanization--California--History.
Urbanization--Mexico--Baja California (State)--History.