History 397 Politics and government 186 Presidents 143 Soldiers 86 Manuscripts 68 Social life and customs 65 World War, 1939-1945 53 more ... Intellectual life 45 Description and travel 43 Travel 42 Campaigns 41 Manners and customs 40 Humanists 39 Social conditions 38 Authors, Latin (Medieval and modern) 35 Philosophers 35 Authors, American 33 Correspondence 30 Regimental histories 30 Prime ministers 28 Sources 28 Women 28 Frontier and pioneer life 27 Armed Forces 26 Christian saints 25 Manuscrits 25 Military campaigns 25 Authors, English 24 Statesmen 22 Correspondance 21 less ...