History 273 Travel 87 Description and travel 68 Social life and customs 58 World War, 1939-1945 56 Diaries 40 Politics and government 40 more ... Social conditions 38 Manners and customs 36 Women 32 Soldiers 31 Campaigns 28 Discovery and exploration 26 Frontier and pioneer life 21 History and criticism 20 Military campaigns 20 World War, 1914-1918 20 Explorers 19 Philosophers 18 Discoveries in geography 17 Generals 17 Intellectual life 17 Jews 17 Armed Forces 16 Holocaust, Jewish (1939-1945) 16 Regimental histories 15 African Americans 14 Indians of North America 14 Missions 14 Missionaries 13 less ...