History 554 Diaries 194 Description and travel 184 Social life and customs 171 World War, 1939-1945 145 Travel 137 Soldiers 93 more ... Politics and government 85 Social conditions 79 Women 79 History and criticism 72 Authorship 65 Authors, American 64 Holocaust, Jewish (1939-1945) 59 Jews 55 Discovery and exploration 53 Campaigns 49 Intellectual life 41 Missions 41 Explorers 34 Novelists, English 33 Frontier and pioneer life 32 Methodism 31 World War, 1914-1918 31 Indians of North America 30 Authors, French 28 Officials and employees 27 African Americans 26 Artists 26 Missionaries 26 less ...