Philadelphia Architects and Buildings: Authoritative information on three centuries of Philadelphia buildings and designers, incorporating data and images from the collections of more than 25 Philadelphia-area repositories.
Hexamer General Surveys: Historic ground plans and birds-eye perspective drawings of Philadelphia industrial sites.
Plan Philly: WHYY's reporting on Philadelphia’s neighborhoods.
Workshop of the World: Historical surveys of over 150 industrial sites in Philadelphia.
Images of America: Photographs by neighborhood, in e-book format. Select Browse Books > Browse Places to find Philadelphia selections.
Philadelphia Skyline: Photos listed by neighborhood.
University Archives Digital Image Collection: From Penn's University Archives, includes pictures of West Philadelphia, the Penn Campus, and more.