Columbia subject headings:
Córdoba (Andalusia, Spain)--History.
Soviet Union--History--Revolution, 1917-1921--Influence.
Harvard subject headings:
Andalusia (Spain)--Politics and government--20th century.
Communism--Spain--Andalusia.
Soviet Union--History--Revolution, 1917-1921--Influence.
Princeton subject headings:
Córdoba (Andalusia, Spain)--History.
Soviet Union--History--Revolution, 1917-1921--Influence.