PA Department of Revenue: http://www.revenue.state.pa.us/

PA Department of State, Notaries: https://www.dos.pa.gov/OtherServices/Notaries/Pages/default.aspx

Notary Search (PA): https://www.notaries.pa.gov/Pages/EServices.aspx

PRIA: http://www.pria.us/

PSAECO: http://www.psaeco.org/

Pennsylvania State Archives: https://www.phmc.pa.gov/Archives/Pages/default.aspx

Register of Wills and Clerk of Orphans' Court Association: http://www.registersofwillsassoc.org/