Columbia subject headings:
Mexico--History--Spanish colony, 1540-1810.
Morelos (Mexico : State)--Rural conditions.
Sugar growing--Mexico--Morelos--History.
Harvard subject headings:
Mexico--History--Spanish colony, 1540-1810.
Morelos (Mexico : State)--Rural conditions.
Sugar growing--Mexico--Morelos (State)--History.
Sugar growing--Mexico--Morelos--History.
Princeton subject headings:
Mexico--History--Spanish colony, 1540-1810.
Morelos (Mexico : State)--Rural conditions.
Sugar growing--Mexico--Morelos--History.