• The authority of print. The accessibility of online.

  • World’s Largest Image-Based Legal Research Database

  • HeinOnline Bridges the Gap in Legal History

  • Where Online Research Leads to Discovery

  • Image is Everything

  • An entire print library in a user-friendly database.

HeinOnline is a premier online database containing more than 173 million pages and 270,000 titles of historical and government documents in a fully searchable, image-based format. HeinOnline bridges an important research gap by providing comprehensive coverage from inception of more than 2,700 law-related periodicals. In addition to its vast collection of academic journals, HeinOnline contains the entire Congressional Record, Federal Register, and Code of Federal Regulations, complete coverage of the U.S. Reports back to 1754, and entire databases dedicated to treaties, constitutions, case law, world trials, classic treatises, international trade, foreign relations, U.S. Presidents, and much more.

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Smarter. Better. Faster. Research.

Why HeinOnline?


In addition to the wealth of material available at an incredibly reasonable price, more than one million pages are added each month. The value of a subscription increases greatly with each monthly content release.


HeinOnline is composed of image-based PDFs, which are as authoritative as print material for citation purposes, because they are exact facsimiles of the original print materials.


HeinOnline contains more than 2,700 journals on a variety of subjects, including animal rights, human rights, political science, history, gender studies, election law, civil rights, foreign relations, and more. All journals date back to inception and more than 90% are available through the current issue or volume.


Hein’s ScholarCheck helps users navigate between related material with in-line linking and various citation metrics, including most-cited and most-accessed. MyHein is HeinOnline’s personal research tool, which allows users to bookmark articles save search queries, set up eTOC alerts, and more. Author Profile Pages display a page which will showcase an author’s articles and uses our ScholarCheck tool to determine an author’s rank in HeinOnline.

Scope & Depth

Coverage of United States government publications (including Congressional Documents, Presidential Papers, Foreign Relations of the United States, and Federal Agency Documents) is comprehensive back to inception, and all titles are exact replicas of the official print publication from the Government Printing Office.


HeinOnline’s powerful search engine and user-friendly interface combine to provide both new and experienced users with an excellent research experience. Locating documents is quick, and searching includes facets to guarantee relevant search results.

Help & Training

HeinOnline’s help pages provide a wealth of resources, including training guides, FAQs, and videos to help users get the most from their subscriptions. Free, customizable training sessions are available from HeinOnline experts.


HeinOnline’s interface is optimized for mobile devices, and we offer free apps for both Android and iOS platforms.


HeinOnline is indexed in many discovery services such as EBSCO EDS, Innovative’s Encore Duet, and Innovative’s Encore Discovery Solution (without EDS), so integrating HeinOnline into your library is an effortless process. HeinOnline has also indexed all journals into Google Scholar.

Customer Service

The support team at HeinOnline is second to none, providing users with searching and document retrieval assistance, customized web-based training, and exemplary customer service. The staff behind HeinOnline is extremely receptive to feedback. Feel free to contact us via email, phone, live chat, or social media. Some of our best features and tools have come from user suggestions!

Libraries love HeinOnline because…

It’s an entire print library in one database platform.

With more than 173 million pages and 270,000 titles, it’s like an entire print library in one database. No more having to worry about finding the print title in the library or having it checked out. That’s no longer an issue when it’s in HeinOnline.

We are responsible for claiming missing books and fiche.

HeinOnline’s content releases include hundreds of journal updates each month. Missing an issue? We’ll find it for you. HeinOnline contains more than 2,700 periodicals back to inception. If an issue is missing, that’s on us.

Less inter-library loaning.

Use HeinOnline to find the title you are looking for. Missing a title? No more having to contact other libraries; you’ll save time and energy simply using HeinOnline’s search box to locate what you need.

You won’t have to rely on multiple websites.

HeinOnline will be your one-stop shop, with everything from law to history, politics, and government documents all under one umbrella, instead of multiple subject-specific databases. HeinOnline also includes primary sources such as case law and secondary sources such as law review articles, eliminating the need for multiple sources.

We keep you updated on what’s happening.

We strive to keep our customers updated on the newest features and databases added to HeinOnline. In addition to our monthly newsletter, we have a HeinOnline timeline, which showcases our accomplishments over the years and provides our history to those who may have recently joined the HeinOnline family.

Did You Know?