History 36 Description and travel 16 Church records and registers 15 Churches 11 Railroads 11 Directories 10 Bridges 9 more ... Clergy 9 Quakers 8 Sources 7 Almanacs, American 6 Commerce 6 Genealogy 6 Harbors 6 Pastoral records 6 Reformed Church 6 Regional planning 6 Business enterprises 5 Episcopal 5 Historic sites 5 Marriage records 5 Physicians 5 Registers of births, etc 5 Zip codes 5 Banks and banking 4 Baptists 4 Boundaries 4 College teachers 4 Gravestone inscriptions 4 Indians of North America 4 Presbyterian 4 Reformed 4 Society of Friends 4 Architecture, Colonial 3 Botany 3 Boxing 3 Cities and towns 3 Death certificates 3 Dentists 3 Employment 3 less ...