History Sources 8 Economic conditions 5 Registers of births, etc 5 Taxation 5 Biography 4 Church records and registers 4 more ... Genealogy 4 Iron industry and trade 4 Pennsylvania Dutch 4 Tax collection 4 Indians of North America 3 Iron foundries 3 Antiquities 2 Baptismal records 2 Blast furnaces 2 Description and travel 2 Finance 2 Forge shops 2 Historic sites 2 Iron and steel workers 2 Iron-works 2 Regimental histories 2 Registers 2 Social life and customs 2 Societies, etc 2 World War, 1939-1945 2 Anniversaries, etc 1 Baptismal certificates 1 Bells 1 Birth certificates 1 Burial records 1 Canals 1 Church history 1 Church records 1 Churches 1 Courthouses 1 Education 1 Family 1 Family farms 1 less ...