Columbia subject headings:
Agricultural laborers--Spain--Córdoba (Province)--History--20th century.
Communism--Spain--Córdoba (Province)--History--20th century.
Córdoba (Spain : Province)--Rural conditions.
Harvard subject headings:
Agricultural laborers--Spain--Andalusia--Political activity.
Communism--Spain--Andalusia--History.
Princeton subject headings:
Agricultural laborers--Spain--Córdoba (Province).
Communism--Spain--Córdoba (Province).
Córdoba (Spain : Province)--Social conditions.