Columbia subject headings:
Diplomacy.
Eastern question (Balkan)
Europe--Politics and government.
Nationalism.
Polish question.
States, Small.
World War, 1914-1918.
Harvard subject headings:
Diplomacy.
Eastern question (Balkan)
Europe--Politics and government.
Nationalism and nationality.
Nationalism.
Polish question.
States, Small.
World War, 1914-1918.
Princeton subject headings: