HeinOnline Academic HeinOnline Academic includes more than 125 million pages of multidisciplinary content in more than 100 subject areas, including history, political science, business, criminal justice, international relations, women’s studies, pre-law, and many more. With more historical content than any other database, HeinOnline provides access to 300+ years of information on political development and the complete history of the creation of government and legal systems around the world.