Columbia subject headings:
Harvard subject headings:
Liberalism--Mexico--Yucatán (State)--History.
Yucatán (Mexico : State)--Economic conditions.
Yucatán (Mexico : State)--Politics and government.
Princeton subject headings:
Yucatán (Mexico : State)--History--Caste War, 1847-1855.
Yucatán (Mexico : State)--Politics and government.