Columbia subject headings:
English literature--20th century--History and criticism.
Spain--History--Civil War, 1936-1939--Historiography.
Spain--History--Civil War, 1936-1939--Influence.
Spain--History--Civil War, 1936-1939--Literature and the war.
Spain--History--Civil War, 1936-1939--Participation, Foreign.
Spain. Ejército Popular de la República. Brigada Internacional.
Harvard subject headings:
Americans--Spain--History--20th century.
British--Spain--History--20th century.
Spain--History--Civil War, 1936-1939--Historiography.
Spain--History--Civil War, 1936-1939--Literature and the war.
Spain--History--Civil War, 1936-1939--Participation, Foreign.
Spain. Ejército Popular de la República. Brigada Internacional, XV.
Princeton subject headings:
Americans--Spain--History--20th century.
British--Spain--History--20th century.
Spain--History--Civil War, 1936-1939--Historiography.
Spain--History--Civil War, 1936-1939--Literature and the war.
Spain--History--Civil War, 1936-1939--Participation, Foreign.
Spain. Ejército Popular de la República. Brigada Internacional, XV