Columbia subject headings:
Harvard subject headings:
Indians of Mexico--Land tenure--Mexico--Guerrero (State)
Indians of Mexico--Mexico--Guerrero (State)--History.
Lienzo of Petlacala.
Nahuas--Land tenure.
Petlacala (Mexico)--History.
Princeton subject headings:
Guerrero (Mexico : State)--Antiquities.
Guerrero (Mexico : State)--History--Sources.
Mexico--History--Spanish colony, 1540-1810--Sources.