http://tags.library.upenn.edu/project/24339/buildings+history PennTags Feed http://tags.library.upenn.edu/makerecord/ered/24328 http://tags.library.upenn.edu/makerecord/ered/24328 <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>