Hearings Before the Subcommittee of the Committee on the District of Columbia, House of Representatives, Sixty-ninth Congress, First Session, Appointed to Investigate Affairs of the District of Columbia, April 20, 21, 22, 23, 24, 26, 27, 28, 29, 30, May 1, 3, 5, 6, 10, 12, 13, 14, 15, 17, 20, 24, 27, June 1, and 2, 1926