Columbia subject headings:
Valle-Inclán, Ramón del, 1866-1936. Ruedo ibérico.
Harvard subject headings:
Valle-Inclán, Ramón del, 1866-1936. Ruedo ibérico
Valle-Inclán, Ramón del, 1866-1936--Knowledge--History.
Princeton subject headings:
Valle-Inclán, Ramón del, 1866-1936. Ruedo ibérico.