- Europe[remove]29
- United States4
- International relations3
- Civil rights2
- Comparative government2
- World politics2
- Arms control1
- Bosnia and Hercegovina1
- Castlereagh, Robert Stewart, Viscount, 1769-18221
- Church history1
- Conference on Security and Cooperation in Europe (1972 : Helsinki, Finland)1
- Coronations1
- Espionage, American1
- Europe, Eastern1
- European federation1
- Exile's writings, Russian1
- Federal Union of European Nationalities1
- Human rights1
- Metternich, Clemens Wenzel Lothar, Fürst von, 1773-18591
- Minorities1