Columbia subject headings:
Spain--Civilization--20th century.
Spain--Politics and government--1886-1931.
Spanish-American War, 1898--Causes.
Harvard subject headings:
Cuba--History--Revolution, 1895-1898.
Puerto Rico--History--To 1898.
Spain--Civilization--19th century.
Spain--History--Alfonso XIII, 1886-1931--Congresses.
Spain--Politics and government--1886-1931.
Spanish-American War, 1898
Spanish-American War, 1898--Congresses.
Princeton subject headings:
Spain--Civilization.
Spain--Politics and government--1886-1931.
Spanish-American War, 1898.