History 342 Politics and government 83 Foreign relations 56 Histoire 40 Societies, etc 40 Regimental histories 36 Slavery 36 more ... Sources 29 Presidents 25 African Americans 23 Tariff 22 Commerce 19 Emigration and immigration 19 Social conditions 18 Causes 17 Biography 16 Campaigns 16 Description and travel 15 Diplomatic relations 14 Monasticism and religious orders for women 14 Constitutions 13 Indians of North America 13 Politique et gouvernement 13 Relations extérieures 13 Revolution 13 Antislavery movements 11 Army 11 Claims 11 Law and legislation 11 Officers 11 Commercial policy 10 Legislators 10 Race relations 10 Orders in council 9 Social aspects 9 Social life and customs 9 States 9 Courts-martial and courts of inquiry 8 Election 8 Jews 8 less ...