Increase in Number of Authorized Top-level Positions in the Federal Government: Hearings Before the Committee on Post Office and Civil Service, House of Representatives, Eighty-seventh Congress, First Session, on H.R. 7377, a Bill to Increase the Limitation on the Number of Positions which May be Placed in the Top Grades of the Classification Act of 1949, as Amended, and on the Number of Research and Development Positions of Scientists and Engineers for which Special Rates of Pay are Authorized; to Fix the Compensation of Hearing Examiners; and for Other Purposes ...