American Planning Association
http://www.planning.org

American Planning Association – Pennsylvania Chapter
http://www.planningpa.org/

Cyburbia
http://www.cyburbia.org/

Delaware Valley Regional Planning Commission
http://www.dvrpc.org/

Department of City and Regional Planning, University of Pennsylvania
http://www.design.upenn.edu/city-regional-planning

Department of Planning and Community Development, Temple University
https://tyler.temple.edu/programs/planning-community-development

Geography and Planning, West Chester University
http://www.wcupa.edu/business-publicManagement/geographyPlanning/gradPrograms.aspx

PennDesign
http://www.design.upenn.edu/

Philly.com
http://www.philly.com/

Planetizen
http://www.planetizen.com

PlanPhilly
http://www.planphilly.com

William Penn Foundation
http://www.williampennfoundation.org/