Columbia subject headings:
Harvard subject headings:
Europe--Politics and government--1789-1900.
Europe--Politics and government--20th century.
Ideology.
Imperialism.
Kemiläinen, Aira, 1919-
Nationalism--Europe--History
United States--Foreign relations--1865-1921.
Princeton subject headings:
History, Modern.
Kemiläinen, Aira, 1919-2006.