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Laws & Statutes
Public & Private Laws (1995-current) -- hosted on govinfo.gov
Known as "slip laws," they have been signed by the President and will eventually be accumulated into the Statutes. Citation example for a public law: Pub. L. 107-155, where 107=Congress, and 155=number of law.
United States Statutes at Large (v.65, 1951-v.128, 2014) - hosted on govinfo.gov
Chronological accumulation of public and private laws passed by Congress, concurrent resolutions, proclamations by the President, and proposed and ratified amendments to the Constitution. The .pdf version includes a subject index at the end of the volume. Citation example: 116 Stat. 103, where 116=volume, and 103=page. (HathiTrust record HT 011571265 has the Statutes for 1789-1845.)
United States Statutes at Large (v.1, 1789-v.64,1950) -- hosted by Law Library of Congress
Each public law is separated into its own searchable .pdf file. Entire volume in searchable .pdf is also available. Currenntly lacks private laws and resolutions--scheduled to be completed by 2022.
United States Statutes at Large (v.1,1789-v.18,1875) -- hosted by Library of Congress
Portions of the Statutes, including lists of public and private laws and appendices. (TIFF file format)
United States Statutes at Large (1973-1994) -- hosted on Congress.gov
Access to these years of the Statutes is through the Public Law page. Public and private laws for the 82nd-92nd Congresses (1951-1972) are also searchable by content and bill number.
Statute Compilations -- hosted on govinfo.gov
Compilations of public laws (unofficial) that either do not appear in the U.S. Code or that have been classified to a title of the U.S. Code that has not been enacted into positive law. Each Statute Compilation incorporates the amendments made to the underlying statute since it was originally enacted.Statute Compilations are not official documents and should not be cited as evidence of the law. The official version of Federal law is found in the United States Statutes at Large
United States Code (U.S.C.)
(HeinOnline also has the U.S.C. back to 1925.)
GovTrack is a non-governmental independent organization that tracks Congressional bills and provides a broader context of legislation through statistical analyses.
Patents can also be searched by inventor, title, and date in the Libraries' Search tool. Filter your results by "Patents" under Resource Type.
Reference & Gov't Information Librarian