Columbia subject headings:
Civil-military relations--Spain--History--20th century.
Spain--Armed Forces--History--20th century.
Spain--History, Military.
Spain. Ejército--History--20th century.
Harvard subject headings:
Civil-military relations--Spain--History--20th century.
Spain--Armed Forces--History--20th century.
Spain--History, Military.
Spain. Ejército--History--20th century.
Princeton subject headings:
Civil-military relations--Spain--History.
Spain--Armed Forces--History.
Spain--History, Military.
Spain. Ejército--History--20th century.