HeinOnline is Hein's online product with more than 100 million pages of legal history available in an online, fully-searchable, image-based format. HeinOnline bridges the gap in legal history by providing comprehensive coverage from inception of more than 1,800 law and law-related periodicals.
The current MPG subscription comprises HeinOnline's "Core Subscription Package" and the "Foreign & International Law Resources Database". The exact list of collections available to users from participating MPIs is subject to change.