What's New
Beyond Citations: New Altmetric Feature Explores the Social Impact of Scholarly Works
HeinOnline has integrated with Altmetric, which follows online attention across news outlets, websites, blogs, social media, and more, tracking thousands of online conversations to uncover the societal impact of scholarly works.
New MyHein Feature: Liking & Commenting on Scholarly Works
Powered by MyHein, researchers can like and comment on articles within HeinOnline, enhancing the overall research experience and fostering a sense of community within the academic realm.
New Author Profile Feature: Download a Metrics CSV
We are excited to share a new feature that has evolved from countless customer requests. Now you can effortlessly download a CSV of an author’s scholarly works, including their ScholarCheck metrics, straight from author profile pages in HeinOnline.
New Database: U.S. Political & Legal History
We’re excited to announce U.S. Political & Legal History, a vibrant collection of more than 12,500 books, treatises, pamphlets, court cases, and other works that weave the unique histories of each individual U.S. state from prestatehood to today.
New Databases: Nominative Reports (English, Irish, and American)
HeinOnline’s newest databases bring together, for the first time ever, the most comprehensive collection of rare nominative reports available online from the United Kingdom, Ireland, and the United States. Available individually or as a package.
New Database: UK Parliamentary & Government Publications (Public Information Online)
We are excited to partner with Dandy Booksellers to bring you comprehensive coverage of UK Parliamentary papers, an essential resource for understanding the functioning of the British parliamentary system.
New Citation Format: Australian Guide to Legal Citations (AGLC)!
When Neerav Srivastava of Monash University suggested we add the Australian Guide to Legal Citations (AGLC) to HeinOnline, we knew that this would greatly benefit our customers. And now we’re happy to announce this new citation format is now available in our Law Journal Library!
Major HeinOnline Database Revamp! Introducing Criminal Justice & Criminology
For the past few months, the HeinOnline production team has been working tirelessly to incorporate a massive update into one of our most popular databases. HeinOnline is now pleased to introduce Criminal Justice & Criminology. Learn more in this blog post.
Stop the Presses! This Essential U.S. History Resource Just Got Even Better
Let’s say you’re looking for a specific House report and you have the Congress and document numbers, head right over to the U.S. Congressional Serial Set landing page to utilize our new citation lookup tool! Check out how quick and easy this new tool makes your research.
What’s New in HeinOnline: March 2026 Content Release
HeinOnline’s March 2026 content release features major database expansions, new journals, and timely research resources on current topics.
Fresh Reads | New HeinOnline Journals: February & March 2026
Over the past two months, we have added nearly 8,000 new articles to the Law Journal Library and 11 new active serials.
District Jurisprudence: A Groundbreaking Guide to Washington, D.C.’s Legal Legacy
Explore the first annotated legal history of Washington, D.C. during the Home Rule era—essential for scholars, practitioners, and legal historians.
Inside AALL 2025: HeinOnline’s Booth, Demos, and More
Relive AALL 2025 with HeinOnline! Read our blog for new tools, top awards, booth fun, and all the demos you may have missed.
The Gold Standard in Legal Abbreviations, Now in Its 8th Edition
The go-to reference for legal abbreviations—now better than ever. Explore the latest edition of Prince’s Dictionary, trusted by 5,000+ professionals.
What Defines Today’s Academic Law Libraries? A New Volume Explores the Answer
Edited by Elizabeth G. Adelman and Jessica de Perio Wittman, Organizational Structures of Academic Law Libraries, Volume 3 continues AALL’s trusted series, offering fresh insight into how academic law libraries organize, collaborate, and lead in a changing educational landscape.
The Easiest Way to Learn the Bluebook? This New Guide.
Discover the easiest way to master legal citation with the newly revised, 22nd edition of the User’s Guide to The Bluebook®.
District Jurisprudence: A Groundbreaking Guide to Washington, D.C.’s Legal Legacy
Explore the first annotated legal history of Washington, D.C. during the Home Rule era—essential for scholars, practitioners, and legal historians.