http://tags.library.upenn.edu/tag/architecture+buildings PennTags Feed for /tag/architecture+buildings PennTags Feed http://tags.library.upenn.edu/makerecord/url/40228 http://tags.library.upenn.edu/makerecord/url/40228 Avery Index to Architectural Periodicals http://tags.library.upenn.edu/makerecord/url/40193 http://tags.library.upenn.edu/makerecord/url/40193 Key to Sanborn Maps, Philadelphia http://tags.library.upenn.edu/makerecord/url/40192 http://tags.library.upenn.edu/makerecord/url/40192 Sanborn Maps Research Guide http://tags.library.upenn.edu/makerecord/url/40191 http://tags.library.upenn.edu/makerecord/url/40191 Architectural Research at the Philadelphia City Archives http://tags.library.upenn.edu/makerecord/url/40092 http://tags.library.upenn.edu/makerecord/url/40092 Avery Index to Architectural Periodicals http://tags.library.upenn.edu/makerecord/ered/24328 http://tags.library.upenn.edu/makerecord/ered/24328 Philadelphia Architects and Buildings <div class="mlacite">PAB incorporates data from the collections of the AthenC&amp;um of Philadelphia, University of Pennsylvania Architectural Archives, the Philadelphia Historical Commission, the Pennsylvania Historical and Museum Commission, and more than 25 other area repositories.<br /></div> http://tags.library.upenn.edu/makerecord/url/5918 http://tags.library.upenn.edu/makerecord/url/5918 phillyskyline.com A site devoted to documenting Philadelphia neighborhoods and impending architectural changes.<br />