Columbia subject headings:
Cuban question--To 1895.
Spain--Foreign relations--United States.
United States--Foreign relations--Spain.
Harvard subject headings:
Cuban question--To 1895.
Spain--Foreign relations--United States.
United States--Foreign relations--Spain.
Princeton subject headings:
Cuba--History--1878-1895.
Spain--Foreign relations--United States.
Spain--History--Alfonso XII, 1875-1885.
Spanish-American War, 1898--Causes.
United States--Foreign relations--Spain.