Columbia subject headings:
Castro, Rosalía de, 1837-1885--Congresses.
Spain--Intellectual life--19th century--Congresses.
Harvard subject headings:
Castro, Rosalía de, 1837-1885--Criticism and interpretation--Congresses.
Princeton subject headings:
Castro, Rosalía de, 1837-1885--Criticism and interpretation--Congresses.