History 1,055 Working class 312 Description and travel 263 Pictorial works 240 Histoire 187 Social life and customs 176 Travel 166 more ... Railroads 147 Labor movement 132 Doctrinal and controversial works 126 Labor 118 Indians of North America 117 Sermons, American 103 Descriptions et voyages 92 Early works to 1800 92 Buildings, structures, etc 78 Sermons américains 74 Society of Friends 74 African Americans 73 Politics and government 71 Arithmetic 64 Social conditions 64 Historic buildings 60 Labor unions 60 Public works 56 Emigration and immigration 53 Conduct of life 52 War work 52 Women 52 Jews 51 Slavery 50 Canals 48 Periodicals 47 Education 46 Christianity 45 World War, 1939-1945 43 Early works to 1850 42 Church work with immigrants 40 Manners and customs 40 Biography 38 less ...