Pennsylvania State Court Rules - "The Supreme Court of Pennsylvania shall have the power to prescribe by general rule the forms of actions, process, writs, pleadings and motions, and the practice and procedure in civil actions at law and in equity for the courts of common pleas of every county." 1937, June 21, P.L. 1982, No. 392, § 1.
The Pennsylvania Court Rules are available online from Pacode.com, on the library's Lexis and Westlaw computers, and in print.
The Pennsylvania Code includes many of the state court rules, including the Rules of Appellate Procedure, Rules of Civil Procedure, Rules of Criminal Procedure, Rules of Evidence, and more. The rules are located after Title 200. The Pennsylvania Code is available online at Pacode.com. For additional places to find the Code, including on the library's Lexis and Westlaw computers and in print in the library, see the Pennsylvania Code & Bulletin guide.
The Purdon's Pennsylvania Statutes provided by West/Thomson Reuters include the annotated Pennsylvania state court rules after Title 42, both in print and on Westlaw. For more information about the statutes, see the Pennsylvania Statutes guide.