HeinOnline offers full-text content from a variety of sources, in PDF format.
- historical and current U.S. government documents, such as the U.S. Code (unannotated), federal regulations (Federal Register and Code of Federal Regulations); U.S. Supreme Court opinions; and selected federal administrative decisions.
- Selected foreign content from Canada and the United Kingdom. (See also, CanLII and BAILII)
- United Nations library (including the United Nations Treaty Series and additional United Nations materials). See also the United Nations website and UN documents.
- Topical "libraries" such as Intellectual Property and Immigration. (See also topical secondary sources (law reviews and journals) via Lexis or Westlaw.
- Hague Academy, Harvard International, Philip Jessup, and additional international law content.
- Selected foreign journal content.