Duveen, Louis J. No. 204, in Supreme Court, Oct. term, 1935. Helen Beatrice (Duveen) Crocker, Frederick Clifton, and Archibald Edward Churcher, executors of Louis Joel Duveen, v. Guy T. Helvering, commissioner of internal revenue, on petition for writ of certiorari to United States Court of Appeals for District of Columbia; brief for respondent in opposition.