Columbia subject headings:
Harvard subject headings:
Cárdenas, Lázaro, 1895-1970.
Land reform--Mexico--Yucatán (State)
Land reform--Mexico.
Mexico--History--1910-1946.
Mexico--Politics and government--1910-1946.
Princeton subject headings:
Cárdenas, Lázaro, 1895-1970.
Henequen industry--Mexico--Yucatán (State)--History--20th century.
Land reform--Law and legislation--Mexico--Yucatán (State)--History--20th century.
Mexico--Politics and government--1910-1946.
Yucatán (Mexico : State)--Politics and government.