Columbia subject headings:
Agriculture and state--Mexico.
Ejidos--Law and legislation--Mexico.
Harvard subject headings:
Agriculture and state--Mexico.
Ejidos--Law and legislation--Mexico.
Princeton subject headings:
Agriculture and state--Mexico.
Commons--Mexico.
Ejidos--Law and legislation--Mexico.
Ejidos--Mexico.
Land reform--Law and legislation--Mexico.
Land tenure--Law and legislation--Mexico.
Land use, Rural--Law and legislation--Mexico.
Property--Mexico.
Public lands--Mexico.