Columbia subject headings:
Harvard subject headings:
Intellectuals--Spain--History--1901-1945.
Philosophy, Spanish--20th century.
Philosophy--Spain--History--1901-1945.
Spain--History--Philosophy.
Spain--Intellectual life--1901-1945.
Princeton subject headings:
Intellectuals--Spain--History--1901-1945.
Philosophy, Spanish--20th century.
Philosophy--Spain--History--1901-1945.
Spain--History--Philosophy.
Spain--Intellectual life--1901-1945.