Columbia subject headings:
Harvard subject headings:
Agriculture and state--Mexico--Guerrero (State)--History.
Land reform--Mexico--Guerrero (State)--History.
Land tenure--Mexico--Guerrero (State)--History.
Princeton subject headings:
Agriculture and state--Mexico--Guerrero (State)--History.
Agriculture--Economic aspects--Mexico--Guerrero (State)--History.
Land reform--Mexico--Guerrero (State)--History.