Correspondence, memoranda, legal material and opinions, writings, speeches, engagement file, teaching file, organization and committee file, clippings, appointment calendars, photographs, and other papers relating primarily to Dash's legal career after 1964, and more particularly his role in governmental investigations. Documents Dash's service on the U.S. Senate Select Committee on Presidential Campaign Activities investigating President Richard M. Nixon and his advisors in the Watergate Affair; as chief counsel to the Alaska Senate during its impeachment inquiry of Governor Bill Sheffield; and as ethics advisor to Independent Counsel Kenneth Starr during the Whitewater Inquiry into President Bill Clinton, Hillary Rodham Clinton, and their former associates in Arkansas. Also documents Dash's association with the American Bar Association, Georgetown University Institute of Criminal Law and Procedure, Judicial Conference of the District of Columbia Circuit, and Legal Aid Agency for the District of Columbia. Includes research material and drafts of Dash's books, Justice Denied : A Challenge to Lord Widgery's Report on Bloody Sunday (1972) and The Intruders : Unreasonable Searches and Seizures from King John to John Ashcroft (2004).

Subjects include asbestos and tobacco litigation cases; the Independent Counsel Act; James J. Curran, Jr., in United States v. Curran; Pete Rose in Rose v. Giamatti; the attorney general and government of Puerto Rico; the murder incidents at Cerro Maravilla in Puerto Rico; South Africa and Nelson Mandela; and U.S. House and Senate investigative committees. Other subjects include advertising by lawyers; crime prevention; criminal justice and standards in criminal justice; criminal law; criminal prosecution; defendant pre-arraignment; drugs and drug addiction; electronic surveillance; ethics; eyewitness identification; forensic science; juvenile delinquency; law and its relationship to community health services, mental disorders, and juvenile processes; plea bargaining; pre-trial release; the role of prison industries; model rules of professional conduct and responsibility; and offender rehabilitation.