https://technical.ly/uncategorized/planphilly-1-in-5-philly-properties-is-tax-delinquent/
PlanPhilly, Inquirer: 1 in 5 Philly properties is tax delinquent [MAP]
Aug 18, 2011 - In a partnership with the Inquirer, development news site PlanPhilly and reporter Patrick Kerkstra land an important look at tax delinquent properties in
tax delinquentinquirer
https://whyy.org/planphilly-archive/page/1032/
PlanPhilly Archive - WHYY
archivewhyy