Columbia subject headings:
Intellectuals--Political activity--Spain--20th century--History and criticism.
Spain--Intellectual life--20th century.
Spanish literature--20th century--History and criticism.
Harvard subject headings:
Intellectuals--Political activity--Spain--History--20th century.
Spain--Intellectual life--20th century
Spanish literature--20th century--History and criticism
Princeton subject headings:
Intellectuals--Political activity--Spain--History--20th century.
Spain--Intellectual life--20th century.
Spanish literature--20th century--History and criticism.