Retirement of Federal Employees: Joint Hearings Before the Committees on Civil Service, Congress of the United States, Sixty-eighth Congress, First Session, Relative to Amendments to an Act Entitled "An Act for the Retirement of Employees in the Classified Civil Service, and for Other Purposes," Approved May 22, 1920. January 14, 15, 16, 17, 21, 22, and 23, 1924 ...