History 495 Politics and government 55 World War, 1914-1918 40 Communism 34 Social conditions 32 Foreign relations 29 Influence 24 more ... Socialism 16 Causes 15 International relations 14 Diplomatic relations 12 Jews 11 Economic conditions 10 Revolutionaries 10 Historiography 9 Influence (Literary, artistic, etc.) 9 Political and social views 9 Refugees 9 Intellectual life 8 Political activity 8 Political culture 8 History and criticism 7 History, Military 7 Literature and the revolution 7 Peasants 7 Russians 7 Social aspects 7 Social life and customs 7 Campaigns 6 Description and travel 6 less ...