Description and travel 255 History 53 Travel 33 Views 24 Descriptions et voyages 18 Social life and customs 11 Streets 9 more ... Architecture 6 Commerce 6 Historic buildings 6 Tours 5 Business enterprises 4 Directories 4 Economic conditions 4 Harbors 4 Indians of North America 4 Industries 4 Tourism 4 Guidebooks 3 Handbooks, manuals, etc 3 Liberty Bell 3 Lithography, American 3 Periodicals 3 Real property 3 Buildings, structures, etc 2 Cemeteries 2 Central business districts 2 City and town life 2 Cries 2 Guide-books 2 Historic houses, etc 2 Historic sites 2 Landscape architecture 2 Museums 2 Occupations 2 Parks 2 Philadelphia (Pa.) 2 Population 2 Shopping centers 2 Shopping malls 2 less ...