Columbia subject headings:
Morelos (Mexico : State)--Description and travel.
Morelos (Mexico : State)--Economic conditions.
Morelos (Mexico : State)--Social life and customs.
Harvard subject headings:
Morelos (Mexico : State)--Description and travel.
Morelos (Mexico : State)--Economic conditions.
Morelos (Mexico : State)--Social life and customs.
Princeton subject headings: