The primary purpose of using a secondary source is to save you time. Someone else has done the research and analysis and is presenting all of their work in a single source, with citations, so you can both understand the law and find primary sources.
Pennsylvania Secondary Sources
West
West’s Pennsylvania Practice
Standard Pennsylvania Practice 2d
Goodrich Amram 2d
West’s Pennsylvania Forms
Summary of Pennsylvania Jurisprudence 2d
Eastern District Manual
Middle District Manual
Western District Manual
Pennsylvania Employment Law Letter
Pennsylvania School Personnel Actions
Pennsylvania Suggested Standard Civil Jury Instructions
Pennsylvania Suggested Standard Criminal Jury Instructions
Lexis
Pennsylvania Transaction Guide – Legal Forms
Dunlap Hanna, Pennsylvania Forms
Pennsylvania Civil Practice
Pennsylvania Law Encyclopedia
Ohlbaum on the Pennsylvania Rules of Evidence
Pennsylvania Causes of Action
Pennsylvania Motion Practice
Remick's Pennsylvania Orphans' Court Practice
Pennsylvania Tax Handbook
Pennsylvania Evidence Courtroom Manual
PA Products Liability
PA Commercial Litigation
Insurance Bad Faith in Pennsylvania, 18th Edition
General Secondary Sources
Lexis
Moore’s Federal Practice – Civil
Bender’s Federal Practice forms
Weinstein’s Federal Evidence
Federal Habeas Corpus Practice and Procedure
Federal Litigation Guide
50 State Surveys
Treatises – look for individual titles on your specific topic
West
American Jurisprudence 2d
Proof of Facts
Trials
Legal Forms 2d
American Law Reports (ALR)
Restatements
Causes of Action
Diagnostic & Statistical Manual of Mental Disorders (DSM-IV-TR)
Federal Practice & Procedure (Wright & Miller)
Manual for Complex Litigation
McCormick on Evidence
Motions Practice
The New Wigmore: A Treatise on Evidence
West's Federal Forms
West's Legal Forms
Treatises – look for individual titles on your specific topic