Columbia subject headings:
Spain. Ejército--History--20th century.
Spain. Ejército--Political activity--History--20th century.
Harvard subject headings:
Spain. Ejército--History--20th century.
Spain. Ejército--Political activity--History--20th century.
Princeton subject headings:
Spain. Ejército--History--20th century.
Spain. Ejército--Political activity--History--20th century.