Intervention by states in certain cases. : Hearings before Subcommittee no. 4 of the Committee on the Judiciary, House of Reprentatives, Seventy-sixth Congress, third session, on H. R. 7737, a bill to amend the Judicial code by adding a new section thereto, designated as section 266A, tp provide for intervention by states and direct appeals to the Supreme Court of the United States in certain cases involving the Constitutional validity of the exercise of any power by the United States, or any agency thereof, or any officer or employee thereof, and for other purposes. March 4, 1940.