Skip to main content
It looks like you're using Internet Explorer 11 or older. This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge. If you continue with this browser, you may see unexpected results.

Research Guides@Tufts

International Law and Organizations: Primary and Secondary Sources

Primary Sources

Primary sources of law are legislative and case law. They come from official bodies. They include treaties, decisions of courts and tribunals, statutes, regulations.

Secondary Sources

Secondary sources of law are background resources. They explain, interpret and analyze. They include encyclopedias, law reviews, treatises, restatements. Secondary sources are a good way to start research and often have citations to primary sources.