Hearings Before a Subcommittee of the Committee on the Judiciary, United States Senate, Sixty-ninth Congress, First Session, Pursuant to S. Res. 171 : Requesting Information from the Attorney General Relative to the Purpose of the Department of Justice to Present to a Grand Jury the Testimony of George B. Hayes, Given in the Trial of the Case of the United States Against Burton K. Wheeler in the Distirct Court of the United States for the District of Montana : with the Facts and Circumstances Attending the Same with a View to an Indictment for Perjury in the Giving of Such Testimony, April 9 and 14, 1926