Nos. 168 and 169, in Supreme Court of United States, Oct. term, 1949, International Union, United Mine Workers of America, and John L. Lewis, as President, International Union, United Mine Workers of America, v. United States; International Union, United Mine Workers of America, and John L. Lewis, as President, International Union, United Mine Workers of America, and as union representative trustee, board of trustees, United Mine Workers of America Welfare and Retirement Fund v. [same], on petition for writs of certiorari to United States Court of Appeals for District of Columbia circuit, brief for United States in opposition.