Columbia subject headings:
Harvard subject headings:
Madrid (Spain)--History--20th century--Congresses.
Madrid (Spain)--In literature--Congresses.
Spain--History--Civil War, 1936-1939--Literature and the war--Congresses.
Spain--History--Civil War, 1936-1939--Literature and the war.
Spain--History--Civil War, 1936-1939--Poetry.
Spanish literature--20th century--History and criticism
Princeton subject headings:
Poetry.
Spain--History--Civil War, 1936-1939--Literature and the war.
Spain--History--Civil War, 1936-1939--Poetry.
Spanish literature--20th century--History and criticism.