Columbia subject headings:
Harvard subject headings:
Modernism (Literature)
Symbolism in literature.
Valle-Inclán, Ramón del, 1866-1936--Criticism and interpretation.
Valle-Inclán, Ramón del, 1866-1936--Symbolism.
Princeton subject headings:
Valle-Inclán, Ramón del, 1866-1936--Criticism and interpretation.