Several historical American and international law collections incuding law reviews and journals from their first volume of publication, the Federal Register, Presidential Documents, U.S. Congressional Serial Set, Attorney Generals Opinions, World Constitutions, legal classics, and the newest collection, Slavery in America and the World; History, Culture and Law. A comprehensive user's guide to this database is available at  https://heinonline.org/HeinDocs/HOLUserGuide.pdf.