It is published weekly with monthly, then semi-annual, cumulations. This annual commercial publication from Congressional Information Service provides more specific and detailed indexing by subject and keyword than the government-published version. KF70.A34I46 year vol. The U.S. legal system is basically a combination of case law and statutory law. Case law is the law as decided by previous court cases.
Some case law is available on the Internet.
These are filed alphabetically by case name in the Government Documents workroom and are discarded when the Official Reports are received. These are preliminary prints in softbound compilations of the Supreme Court decisions. They supersede the Slip Opinions and are in turn superseded by United States Reports. Also included are tables of cases reported and cases and statutes cited and a subject index. To access a particular case, you will need a citation showing the volume and page number of the U.S. Reports.