This data collection encompasses all aspects of United States Supreme Court decision-making from the beginning of the Warren Court in 1953 to the completion of the most recent term of the Rehnquist Court. In this collection, distinct aspects of the Court's decisions are covered by six types of variables: (1) identification variables including citations and docket numbers, (2) background variables offering information on how the Court took jurisdiction, origin and source of case, and the reason the Court granted cert, (3) chronological variables covering date of decision, Court term, and natural court, (4) substantive variables including legal provisions, issues, and direction of decision, (5) outcome variables supplying information on disposition of case, winning party, formal alteration of precedent, and declaration of unconstitutionality, and (6) voting and opinion variables pertaining to how individual justices voted, their opinions and interagreements, and the direction of their votes.