Biography -- 52 Politics and government -- 33 History 24 Politics and government 17 History -- 16 Biography 15 Statesmen -- 14 more ... Foreign relations -- 13 Presidents -- 13 Prime ministers -- 13 World politics -- 13 Biography. -- 10 Civilization -- 7 Heads of state -- 7 World War, 1939-1945 -- 7 Civilization 6 Colonies -- 5 Civilization, Islamic 4 Description and travel 4 Economic conditions 4 Communism -- 3 Kings and rulers -- 3 Philosophy 3 Politicians -- 3 Anglo-Saxon period, 449-1066 2 Campaigns 2 Campaigns -- 2 Causes 2 Colonies 2 Diplomatic history 2 less ...