Columbia subject headings:
Encomiendas (Latin America)--History--Sources.
Indians of Mexico--Mexico--Nuevo León (State)--History--Sources.
Nuevo León (Mexico : State)--History--Sources.
Slavery--Mexico--Nuevo León (State)--History--Sources.
Harvard subject headings:
Encomiendas (Latin America)--History--Sources.
Indians of Mexico--Mexico--Nuevo León (State)--History--Sources.
Nuevo León (Mexico : State)--History--Sources.
Slavery--Mexico--Nuevo León (State)--History--Sources.
Princeton subject headings: