Gun Regulation and Legislation in America This link opens in a new window Now located in HeinOnline. Please go to "H" in the Database A-Z list to access HeinOnline.The Gun Regulation and Legislation in America database brings together more than 550 titles dealing with gun regulation and legislation. Included are periodicals, key compiled federal legislative histories, relevant congressional hearings, CRS Reports, Supreme Court briefs, and more. Links an extensive bibliography and a balanced selection of external resources to further research this subject are also provided. Research the National Firearms Act, the United States v. Miller and District of Columbia v. Heller decisions, and other key aspects of this subject.