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Federal primary law

Sources for Federal primary law compiled by the Trial Court Law Libraries


United States Constitution


U.S. Code

U.S. Code from Cornell University

U.S. Code from U.S. House of Representatives

Statutes at Large / Public Laws

U.S. Statutes at Large, Library of Congress.

Pending Legislation

Legislative Information: Bills and bill status,


Code of Federal Regulations

  • eCFR  (1996 - date) The e-CFR is a currently updated version of the Code of Federal Regulations (CFR). It is not an official legal edition of the CFR. The e-CFR is an editorial compilation of CFR material and Federal Register amendments produced by the National Archives and Records Administration's Office of the Federal Register (OFR) and the Government Printing Office. The OFR updates the material in the e-CFR on a daily basis. The current update status appears at the top of all e-CFR web pages.
  • CFR  (1996 - date)   This website includes official and authenticated copies of the annual published volumes of the Code of Federal Regulations.  Daily amendments appearing in the Federal Register are not incorporated into these volumes. CFR sections could be as much as a year out of date.

Federal Register

  • GPO: The official online version of the register
  • Federal Register: v.59 (1994) - date. Also put out by the Office of the Federal Register, this XML version includes some great features, including an easy online method to submit comments on pending regulations through


U.S. Supreme Court Opinions

U.S. Supreme Court site includes:

Google Scholar: Federal Cases. U.S. Supreme Court opinions from v.1 (1754). The most recent few months are not included.

U.S. Supreme Court Briefs, American Bar Association, 2004/2005-date. Merit and amicus briefs are available by date or case name.

Early U.S. Reports Citation Conversion. Get a U.S. Reports cite if you have a cite to one of the nominative reports, such as Wheaton or Cranch.

Federal Circuit Court Opinions

Google Scholar: Federal Cases. Federal Appeals Court cases beginning with v.1 F.2d (1924). The most recent few months are not included.

Federal District Court Opinions

Google Scholar: Federal Cases. Federal District Court cases beginning with v.1 F.Supp. (1932). The most recent few months are not included.

United States District Court: District of Massachusetts. In September 2014, cases were moved from their previous location to FDsys. Site appears to only have cases beginning with 2014.

Court rules

Federal Court Rules

Executive orders

Federal Executive Orders


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