Built Enviroment--Philadelphia--19th century 4 Architecture--19th century 2 Built Environment--Philadelphia--18th century 1 Built environment--Pennsylvania--Philadelphia--20th century 1 Fairmount Park (Philadelphia, Pa) 1 Fairmount Waterworks (Philadelphia, Pa) 1 Insurance Surveys--Philadelphia--19th century 1 more ... Insurance, Fire--Pennsylvania--19th century 1 Insurance, Fire--Philadelphia--19th Century 1 Internal Improvements--18th century 1 Internal Improvements--19th century 1 Philadelphia Views--18th century 1 Philadelphia--Built Environment--Images 1 Women's History--Service organizations 1 less ...