Columbia subject headings:
Farms--Mexico--Guerrero (State)--History.
Ranchers--Mexico--Guerrero (State)--Societies, etc.
URUEPG (Organization)--History.
Harvard subject headings:
Cattle trade--Mexico--Costa Grande--Societies, etc.--History.
Peasants--Mexico--Costa Grande--Societies, etc.--History.
Ranchers--Mexico--Costa Grande--Societies, etc.--History.
URUEPG (Organization)--History.
Princeton subject headings:
Cattle trade--Mexico--Costa Grande--Societies, etc.--History.
Peasants--Mexico--Costa Grande--Societies, etc.--History.
Ranchers--Mexico--Costa Grande--Societies, etc.--History.
URUEPG (Organization)--History.