http://www.philadelphiabuildings.org/pab/app/in_display_collections.cfm/480904
The Philadelphia Architects and Buildings database provides authoritative information on three centuries of Philadelphia buildings and designers incorporating data and images from the collections of more than 25 Philadelphia-area repositories. The Library Company contributes records for and digital images of selected Library Company architectural and graphic materials. For comprehensive information on a particular place search by the "project / building" or "location."