Learn more about Services at the Allegheny County Law Library:


The Collections

The library's collection consists of more than 150,000 volumes dating from 1488 to the present.


Electronic Databases

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 ten percent of the materials offered by the Government Printing Office, including U.S. Reports, Congressional Record, C.F.R., and the Federal Register. Patrons may access electronic federal government documents via the library's computers.


Rare Books 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of Pennsylvania county reports, Pennsylvania appellate court briefs since 1980 (Commonwealth since 1970), eight states superseded statutes, older Federal administrative law materials, and some English case law.