Columbia subject headings:
Puebla (Mexico : State)--Administrative and political divisions.
Puebla (Mexico : State)--Boundaries.
Harvard subject headings:
Puebla (Mexico : State)--Administrative and political divisions.
Puebla (Mexico : State)--Boundaries.
Princeton subject headings:
Puebla (Mexico : State)--Administrative and political divisions.
Puebla (Mexico : State)--Boundaries.