Columbia subject headings:
Spain--History--Civil War, 1936-1939--Literature and the war.
Spain--History--Civil War, 1936-1939--Participation, Foreign.
Harvard subject headings:
English literature--20th century--History and criticism
Spain--History--Civil War, 1936-1939--Literature and the war.
Spain--History--Civil War, 1936-1939--Participation, Foreign.
War and literature.
Princeton subject headings:
Spain--History--Civil War, 1936-1939--Literature and the war.
Spain--History--Civil War, 1936-1939--Participation, Foreign.