History 112 Buildings, structures, etc 15 Description and travel 12 Social conditions 12 Politics and government 11 Biography 10 Commerce 10 more ... Jews 10 Social life and customs 10 Emigration and immigration 9 Ethnic groups 9 Economic conditions 8 Genealogy 8 Registers of births, etc 8 Sources 8 Architecture 6 Minorities 6 Religious life 6 Church history 5 Slovak Americans 5 Steel industry and trade 5 Views 5 African Americans 4 Anniversaries, etc 4 Bridges 4 Education 4 Immigrants 4 Irish Americans 4 Iron and steel workers 4 Marriage records 4 Polish people 4 Centennial celebrations, etc 3 Church records and registers 3 Churches 3 Ethnic relations 3 Historic buildings 3 Inscriptions 3 Irish 3 Italian Americans 3 Labor and laboring classes 3 less ...