Postal savings. United States Postal Savings System, statement of Alexander M. Dockery, 3d assistant Postmaster General, before subcommittee of Joint Committee on Rural Credits relative to proposal to invest postal savings deposits in Federal farm-loan bonds, exhibits from Senate report 65, 64th Congress, 1st session, accompanying H. R. 562, to amend postal savings act for purpose of increasing amount that may be accepted from postal savings depositor.