Foreign relations -- 280 Politics and government 278 History 251 Politics and government -- 250 History -- 193 Economic conditions 103 Foreign relations 84 more ... Biography -- 78 Communism -- 60 Economic conditions -- 57 Social conditions 50 Description and travel 41 Civilization 37 Colonies -- 37 Economic policy 36 Congresses 34 World politics -- 34 Congresses -- 31 Nationalism -- 27 Presidents -- 23 Social life and customs 22 Statesmen -- 21 Military policy 19 Prime ministers -- 19 Relations -- 19 World War, 1939-1945 -- 19 Addresses, essays, lectures 18 Biography 18 Social conditions -- 18 Sources 18 less ...