Columbia subject headings:
Civil-military relations--South America--History--20th century.
South America--Armed Forces--Political activity--History--20th century.
South America--Politics and government--20th century.
Harvard subject headings:
Civil-military relations--South America--History--20th century.
South America--Armed Forces--Political activity--History--20th century.
South America--Politics and government--20th century.
Princeton subject headings:
Civil-military relations--South America--History--20th century.
South America--Armed Forces--Political activity--History--20th century.
South America--Politics and government--20th century.