Columbia subject headings:
Tlaxcalan Indians--Mexico--Zacatecas (State)--History--Sources.
Zacatecas (Mexico : State)--History--Sources.
Harvard subject headings:
Migration, Internal--Mexico
Tlaxcala (Mexico : State)--History--Sources.
Tlaxcalan Indians--Mexico--Zacatecas (State)--History--Sources.
Zacatecas (Mexico : State)--History--Sources.
Princeton subject headings:
Tlaxcalan Indians--Mexico--Zacatecas (State)--History--Sources.
Zacatecas (Mexico : State)--History--Sources.