History -- 25 Foreign relations -- 21 History 16 Politics and government -- 14 Biography -- 12 Juvenile literature -- 7 Presidents -- 7 more ... Race relations 7 Civilization -- 6 Relations -- 6 United States -- 5 World politics -- 5 Legislators -- 4 Minorities -- 4 Politics and government 4 Chronology 3 Civilization 3 Histo -- 3 Histor -- 3 Officials and employees 3 Philosophy 3 Statesmen -- 3 Asian Americans 2 Biograp -- 2 Biograph -- 2 Campaigns -- 2 Chronology. -- 2 Cultural assimilation 2 Decision making 2 Economic conditions 2 less ...