HeinOnlineHeinOnline is a premier online database containing more than 160 million pages and 160,000 titles of legal history and government documents in a fully searchable, image-based format. Access to a comprehensive law review database; National Survey of State Laws; Slavery in America and the World: History, Culture, and Law; Gun Regulation and Legislation in America; and New York Legal Research Library is included, along with access to other sources of primary and secondary legal authority.