Columbia subject headings:
Centro de Estudios Históricos (Spain)
Historiography--Spain--History--20th century.
Philology--Spain--History--20th century.
Spain--Intellectual life--20th century.
Harvard subject headings:
Centro de Estudios Históricos (Spain)
Historiography--Spain--History--20th century.
Instituto de Historia (Spain)--History--20th century.
Philology--Spain--History--20th century.
Spain--Historiography.
Spain--Intellectual life--20th century.
Princeton subject headings:
Instituto de Historia (Spain)--History--20th century.
Spain--Historiography.