Columbia subject headings:
Texas--History--Republic, 1836-1846.
Yucatán (Mexico : State)--History--Caste War, 1847-1855.
Harvard subject headings:
Texas--Foreign relations--Mexico--Yucatán (State)
Texas--Politics and government--1836-1846
United States--Territorial expansion.
Yucatán (Mexico : State)--Foreign relations--Texas.
Yucatán (Mexico : State)--History--Autonomy and independence movements.
Yucatán (Mexico : State)--History--Caste War, 1847-1855.
Princeton subject headings:
Texas--History--Republic, 1836-1846.
Yucatán (Mexico : State)--History--Caste War, 1847-1855.