Post offices 14 Postal service 12 History 7 Church buildings 5 City & town halls 4 Public buildings 4 Streets 4 more ... Courthouses 3 Hospitals 3 Schools 3 Appropriations and expenditures 2 Bridges 2 Ceremonial-civic buildings 2 Chestnut St., 400 Blk 2 Finance 2 Officials and employees 2 Post office buildings 2 Post office stations and branches 2 9th St., S between Market and Chestnut Sts 1 Air mail service 1 Alcoholism 1 Anglican Communion 1 Architectural follies 1 Banks 1 Baptism 1 Bombs 1 Buildings 1 Buildings, structures, etc 1 Bus terminals 1 Catholic churches 1 Centennial celebrations 1 Central business districts 1 Church history 1 Church schools 1 Civil defense 1 Civil procedure 1 Colonies 1 Convents 1 Dairy laws 1 Depressions 1 less ...