The Allegheny County Law Library can help you find information and resources as you conduct legal research. The Allegheny County Law Library (ACLL) has gathered various research and finding aids to help you locate the information you need.
ACLL staff members are not responsible for any legal information inaccuracy found on links that originate from outside sources or send you to the world wide web. For legal advice, you will need to consult a Pennsylvania-licensed attorney.

ACLL Research Aids
- Bibliography of Pennsylvania Secondary Sources
- Guide to ACLL Services for the Elderly
- Guide to ACLL Services for the Incarcerated
- Guide to ACLL Services for the Pro-Se Litigant
- Guide to ACLL Services for the Public
- Guide to Allegheny County Courthouses
- Municipal Codes or Ordinances For Allegheny County Communities
- Pennsylvania Criminal Law
- Pennsylvania Estate Law
- Pennsylvania Landlord-Tenant Law
- Protection From Abuse (PFA) Orders
Pennsylvania Bar Association Research Aids
- Consumer Legal Information Pamphlets
- Grandparent Custody Public Information Campaign
- Legal Guide for Senior Citizens
Allegheny County Bar Research Aids
- Jury Service Pamphlet
- Legal Definitions
- Living Will/Advance Directive
- Medical Marijuana
- The Legal Issues You Should Know Now That You’re 18
- The Truth About Probate and Living Trusts in Pennsylvania
Other Research Aids
- Research Guides in Pennsylvania Law Libraries by Duquesne University Thomas R. Kline School of Law
- Pennsylvania Legal Research 101: About the Law and How to Find It, by the Greater Philadelphia Law Library Association
- Ageism and Age Discrimination in Healthcare, by Marilyn Howe, Ph.D.
- Allegheny County Fines, Costs and Restitution, by ACLUPA.org (undated)
- Pennsylvania Clean Air: a Bibliography, by Mary Chizeck