Columbia subject headings:
Harvard subject headings:
Balkan Peninsula--History.
Leadership--Balkan Peninsula.
Legitimacy of governments--Balkan Peninsula.
Semantics--Balkan Peninsula.
Socialism--Balkan Peninsula.
Weber, Max, 1864-1920.
Princeton subject headings:
Balkan Peninsula--History.
Leadership--Balkan Peninsula.
Legitimacy of governments--Balkan Peninsula.
Semantics--Balkan Peninsula.
Socialism--Balkan Peninsula.
Weber, Max, 1864-1920.