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Allegheny County Law Library

The Duquesne University Center for Legal Information offers a unique joint-library partnership to the legal community and public of Allegheny County and the western region of Pennsylvania. Based on an agreement between Duquesne University and Allegheny County, the two libraries offer a legal information center that will hopefully meet all patrons' needs.

The Allegheny County Law Library is a free, public law library open to legal professionals and the general public.

Become a Library Card Holder!

August 2014 CLE Courses

WI-FI Access in Main Reading Room

Free WI-FI access is available in the main reading room.  Please ask at the Circulation Desk for the easy sign-in information.

ACLL Code of Conduct

A new Code of Conduct was recently adopted and applies to all visitors to ACLL.  It is effective October 2013.

Save Money and Help Support ACLL

The library recently partnered with ALI CLE to offer select library members a discount on ALI CLE courses.  Complete information.

ACLLWire

Stay up-to-date via the ACLLWire. If you wish to receive the latest ACLL news, please subscribe by sending your name and email address with "ACLLWire Subscribe " in the subject field.

The Collections

The library's book and microform collection consists of more than 150,000 volumes dating from 1488 to the present. We currently follow the Standard for County Law Libraries approved by the State, Court, and County Special Interest Section of the American Association of Law Libraries for collection development.

Electronic Databases

ACLL Library Card holders have access to Westlaw and Lexis in the library as well as other selected online databases such as HeinOnline and LegalTrac.

Pennsylvania Legal Research

The Pennsylvania collection contains copies of all current Pennsylvania primary and secondary sources including constitutions, statutory law, case law, and administrative law. There is a complete collection of treatises and continuing legal education materials. Our appellate court brief collection dates from 1853 to present.

Federal Government Depository

As a federal government depository, we collect approximately 12 percent of the materials offered by the Government Printing Office, including U.S. Reports, Congressional Record, C.F.R., Federal Register, administrative agency decisions, and all congressional publications since 1978. Patrons may access electronic federal government documents via the library's computers.

Rare Book Collection

The library has an extensive rare book collection, possessing most of the primary and secondary treatises in Anglo-American law dating back to the 16th century.

Microform Collection

The library has an extensive microform collection of over 2,500 rolls of film and 500,000 pieces of microfiche. We have back files of Congressional Globe and Record, C.F.R. and Federal Register. Congressional publications since 1978, all states court reports pre-1920s, all states-attorneys-general opinions, U.S. Supreme Court briefs since 1974, complete set of Pennsylvania county reports, Pennsylvania appellate court briefs since 1980 (Commonwealth since 1970), eight states superseded statutes, older Federal administrative law materials, and some English case law.