Jones, Bernard B. Court of Appeals of District of Columbia, nos. 6046-49, B. B. Jones v. Guy T. Helvering, commissioner of internal revenue; Elliott L. Jones v. [same]; Robert L. Jones v. [same]; Bernard B. Jones, Elliott L. Jones, Robert L. Jones, executors of Montfort Jones, v. [same], on petitions for review of decisions of Board of Tax Appeals; [proceedings].