Performing Legal Research at the Cook County Law Library

The Cook County Law Library offers onsite public access to electronic resources like Westlaw, Lexis, and HeinOnline, expanding access to Illinois practice materials, law reviews and journals, and out-of-state primary law resources. The Daley Center location also has a wide variety of historical and international materials. Free public Wi-Fi is available at all locations.

You can find out if the library has a specific resource or find out what we have on your subject by searching our catalog. You can access our catalog 24/7 from your computer, tablet, or phone. Search by:

We are in the process of adding records to our catalog for law reviews and journalsavailable through HeinOnline. If you want to know if we subscribe to a specific journal, check the list of HeinOnline Law Journal Library titles. Access to HeinOnline is only available on site.

Legal research guides on specific topics can be found on the right side of this page, under Additional Information and under Downloads. The guides are updated on a regular basis but are for information only and do not constitute an endorsement by the Cook County Law Library.Please independently verify the accuracy and currency of all information.


Reference law librarians can assist you in locating materials to help you with your legal problem or issue, help you develop research strategies, and will explain how to use our print materials and the electronic legal databases available in the Library. However, librarians cannot give legal advice or a legal opinion of any type, including opinions as to the applicability of a particular case or law to a particular problem or advice regarding the drafting of legal documents.

Library staff can:

  • Explain how to use legal research tools.
  • Explain how to update cases, laws, and regulations.
  • Assist you in using the collection including how to find materials in the Library.
  • Explain how to use the electronic resources available in the Library.
  • Help you locate a particular statute or case with a specific reference or citation.
  • Direct you to sources of law, including statutes and cases.
  • Direct you to books containing forms and court rules.
  • Recommend sources to begin your research.

Library staff cannot:

  • Give legal advice or do legal research for you.
  • Select or interpret statutes, court rules, cases or regulations for your situation.
  • Choose specific forms or language to use in forms or explain how to proceed with your court actions.

Access Services

Onsite use of materials in the Law Library is free to all residents. In addition to legal research assistance the Library provides the following services:

  • Computer terminals with Internet access for legal research purposes
  • Self-service copiers (B&W only) and scanners
  • Wireless printing from personal devices

Printing, copying, and scanning costs 15¢ per page. Copies from digital microform readers are 20¢ per page.

Coin changing machines are available and Access Services staff can make change for bills of $20 or less.

Electronic Research

The Law Library offers free onsite public access to the following subscription databases at the main library and branch locations.

  • WestlawNext - Case law, statutes, administrative codes, and court rules for the federal system, all 50 states and selected U.S. territories. Illinois treatises, jury instructions, jury verdicts and Public Employee Report-Illinois (PERI) available. Extensive collection of treatises on many topics. Also find selected administrative decisions plus jury verdicts & settlements from state and federal courts.
  • Lexis - Case law, statutes, court rules, administrative codes and decisions for the federal system and all 50 states. Use Shepard’s to verify and check citations.
  • HeinOnline - A collection of searchable, full-text images that includes over 2000 law journals, ABA and state bar journals, CFR, Federal Register, U.S. Statutes at Large, U.S. Code, U.S. Supreme Court opinions, federal agency decisions, historical state statutes, all state session laws (Illinois: 1809 to present), federal legislative histories, and U.S. treaties.
  • EBSCO Legal Information Reference Center - Free onsite and remote access to the EBSCO Legal Information Reference Center containing more than 320 full-text publications (including NOLO Press titles). Written in plain English with accompanying administrative and litigation related forms. Select
  • LegalTrac - Indexes over 900 English-language legal periodicals, legal newspapers, and bar association journals.
  • Foreign Law Guide (main library only) - Identify sources of foreign law, including complete bibliographic citations to legislation, the existence of English translations and selected references to secondary sources.
  • LLMC Digital - An image-based collection of legal materials from the 18th century forward. Collection consists of federal and state laws, legislative history, cases, treatises, government documents, and foreign law.
  • National Consumer Law Center (NCLC) – Consumer Law on the Web - Include full-text NCLC treatises including appendices, eReports (articles) plus extensive collections of pleadings, agency forms and discovery materials.
  • ALM Legal Intelligence  - Includes syndicated surveys & studies on law firm billing, compensation, demographics, staffing, and hiring. Includes current year data and data archives.