Columbia subject headings:
Harvard subject headings:
Civil-military relations--Balkan Peninsula--History.
Civil-military relations--South America--History.
Industries--Balkan Peninsula--History.
Industries--South America--History.
Political participation--Balkan Peninsula--History.
Political participation--South America--History.
Princeton subject headings:
Civil-military relations--Balkan Peninsula--History.
Civil-military relations--South America--History.
Industries--Balkan Peninsula--History.
Industries--South America--History.
Political participation--Balkan Peninsula--History.
Political participation--South America--History.