Columbia subject headings:
Cuba--History--1810-1899.
Mexico--History--1821-1861.
Mexico--Relations--Spain.
Spain--Relations--Mexico.
Yucatán (Mexico : State)--History--Sources.
Yucatán (Mexico : State)--History.
Harvard subject headings:
Cuba--History--1810-1899.
Mexico--History--1821-1861.
Mexico--Relations--Spain.
Spain--Relations--Mexico.
Yucatán (Mexico : State)--History--Sources.
Yucatán (Mexico : State)--History.
Princeton subject headings:
Cuba--History--1810-1899.
Mexico--History--1821-1861.
Mexico--Relations--Spain.
Spain--Relations--Mexico.
Yucatán (Mexico : State)--History--Sources.
Yucatán (Mexico : State)--History.