Columbia subject headings:
Harvard subject headings:
Amparo (Writ)--Mexico--History.
Amparo (Writ)--Mexico--Tlaxcala (State)--History.
Princeton subject headings:
Amparo (Writ)--Mexico--History.
Amparo (Writ)--Mexico--Tlaxcala (State)--History.
Land tenure--Mexico--Santa Catarina Ayometla.