Columbia subject headings:
Agricultural laws and legislation--Mexico.
Agricultural laws and legislation.
Land tenure--Law and legislation--Mexico.
Land tenure--Law and legislation.
Harvard subject headings:
Agricultural laws and legislation--Mexico.
Agricultural laws and legislation.
Land tenure--Law and legislation
Land tenure--Law and legislation--Mexico
Princeton subject headings:
Agricultural laws and legislation--Mexico.
Agricultural laws and legislation.
Land tenure--Law and legislation--Mexico.
Land tenure--Law and legislation.