Chiefly correspondence, case files, dockets, and other papers from Marshall's tenure on the U.S. Supreme Court (1967-1991); correspondence, administrative files, and other papers from his service (1961-1965) as a judge on the U.S. Court of Appeals (2nd Circuit); and correspondence and legal papers relating to his years as U.S. solicitor general (1965-1967). The papers reflect Marshall's advocacy for the civil rights of minority and impoverished individuals and of criminal defendants and his opposition to capital punishment. Correspondents include Benjamin O. Davis, John Doar, John Hope Franklin, Arthur J. Goldberg, Lyndon B. Johnson, J. Edward Lumbard, Adam Clayton Powell, Carl Thomas Rowan, and Roy Wilkins.