Columbia subject headings:
Poetics.
Spanish literature--19th century--Foreign influences.
Spanish literature--19th century--History and criticism--Theory, etc.
Harvard subject headings:
Modernism (Literature)--Spain
National characteristics, Spanish, in literature.
Spanish literature--19th century--History and criticism
Spanish literature--20th century--History and criticism
Princeton subject headings:
Poetics.
Spanish literature--19th century--Foreign influences.
Spanish literature--19th century--History and criticism--Theory, etc.