"Report on Lead Poisoning Symposium held by the House Committee on State Government at the University of Pittsburgh with reference to House Bill 81, Printers no. 94."

"Report on Lead Poisoning Symposium held by the House Committee on State Government at the University of Pittsburgh with reference to House Bill 81, Printers no. 94.", 0264a4ae-330d-4c18-9b48-4c4edf2c50cc. Pennsylvania House of Representatives Archives. https://pahousearchives.klnpa.org/repositories/2/digital_objects/534 Accessed January 20, 2026.