Matèries
- Politics and government 51 results
- History 46 results
- World War, 1914-1918 34 results
- Causes 23 results
- Foreign relations 14 results
- World politics 6 results
- Eastern question (Balkan) 4 results
- History, Military 4 results
- Nationalism 4 results
- Revolutions 4 results
- Great powers 3 results
- World War, 1939-1945 3 results
- Diplomatic history 2 results
- Imperialism 2 results
- Influence 2 results
- Military policy 2 results
- Social conditions 2 results
- War and society 2 results
- Capitalism 1 results
- Civil war 1 results
- Civilians in war 1 results
- Civilization 1 results
- Colonies 1 results
- Communism 1 results
- Competition, International 1 results
- Concert of Europe 1 results
- Democracy 1 results
- Fascism 1 results
- Finance 1 results
- Labor movement 1 results
- Liberalism 1 results
- Military weapons 1 results
- National socialism 1 results
- Panslavism 1 results
- Police 1 results
- Public opinion 1 results
- Radio operators 1 results
- Radio waves 1 results
- Revolutionaries 1 results
- Social conflict 1 results
- Social structure 1 results
- Socialism 1 results
- Technology 1 results
- Territorial questions 1 results
- Violence 1 results
- War 1 results