HeinOnline HeinOnline is a powerful database containing legal journals and primary law such as statutes, regulations and administrative decisions. Code of Federal Regulations United States Code U.S. Federal Agency Documents, Decisions, and Appeals Law reviews and journals In-library patrons use this link: Our HeinOnline service is available for in-library use only at this time. Both of our branches are open and provide in-library access to HeinOnline. Details about our hours of operation and locations can be found here.