Double Taxation Conventions with Belgium and Australia: Hearing Before a Subcommittee of the Committee on Foreign Relations, United States Senate, Eighty-third Congress, First Session, on Executives I (81st Cong., 1st Sess.), A (83d Cong., 1st Sess.), I (83d Cong., 1st Sess.), J (83d Cong., 1st Sess.), and K (83d Cong., 1st Sess.), Double Taxation Treaties with Belgium and Australia. June 29, 1953