Columbia subject headings:
Authors--Political and social views--Congresses.
Literature, Modern--20th century--History and criticism--Congresses.
Politics and literature--Congresses.
Spain--History--Civil War, 1936-1939--Literature and the war--Congresses.
Spanish literature--20th century--History and criticism--Congresses.
Harvard subject headings:
Authors--Political and social views--Congresses.
Literature, Modern--20th century--History and criticism--Congresses
Politics and literature--Congresses.
Spain--History--Civil War, 1936-1939--Literature and the war--Congresses.
Spanish literature--20th century--History and criticism--Congresses
Princeton subject headings:
Authors--Political and social views--Congresses.
Literature, Modern--20th century--History and criticism--Congresses.
Politics and literature--Congresses.
Spain--History--Civil War, 1936-1939--Literature and the war--Congresses.
Spanish literature--20th century--History and criticism--Congresses.