Columbia subject headings:
Authoritarianism--Europe, Central--History--20th century.
Authoritarianism--Europe, Eastern--History--20th century.
Dictators--Europe, Central--History--20th century.
Dictators--Europe, Eastern--History--20th century.
Harvard subject headings:
Authoritarianism--Europe, Central--History--20th century.
Authoritarianism--Europe, Eastern--History--20th century.
Dictators--Europe, Central--History--20th century.
Dictators--Europe, Eastern--History--20th century.
Princeton subject headings:
Europe, Eastern--Politics and government.