United States Law Sources

The Langdell reference department has collected links to sources of United States federal and state law; arranged using the broad categories: constitutional, legislative, executive, judicial and, for state local law, municipal:

U.S. Federal Law Sources—Constitutional

U.S. Federal Law Sources—Legislative

U.S. Federal Law Sources—Executive & Administrative

U.S. Federal Law Sources—Judicial

U.S. State Law Sources

International law sources. Locate international, comparative and non-U.S. jurisdiction law sources using the listing of  Foreign & International Law Resources compiled by the HLS International Legal Studies librarians.

Locating additional law sources. Researchers may wish to consult the following for additional law sources useful to their research:

• Find a Database. Selective listings of databases useful for legal, academic, historical and newspaper research, as well as statistical and data resources useful for empirical legal research.
• Foreign & International Law Resources. Selective listing of international, comparative and non-U.S. jurisdiction law sources compiled by the HLS International Legal Studies librarians.
• Research Guides. Research guides prepared by HLS librarians on a variety of topics. Most guides include references to web, online and print law sources.
• E-Research @ Harvard Libraries. Comprehensive listing of electronic resources subscribed to by the Harvard University Library and available to the Harvard University community including dictionaries, encyclopedias, e-books, indexes, journal collections and other databases. Consult the Getting Started guide for an overview of E-Research services and features.
  • Find E-Resources. Use to locate resources by title, by keyword, by subject and type or by browsing an alphabetical listing.
  • Find E-Journals. Use to locate journals by title, by keyword or by ISSN. Includes individually licensed journals as well as journals available through a database.
  • Citation Linker. Use to locate the full-text of an article by its citation or an electronic journal by its title.

Help. Please contact the Reference desk, (617) 495-4516, located just off the reading room on the fourth floor of Langdell Hall with any questions.

Compiled and edited by Michael Jimenez.