. . . . . . . . . "Tax exemptions for charitable organizations affecting poverty programs : Hearings, Ninety-first Congress, second session ... November 16 and 17, 1970" . "Tax exemptions for charitable organizations affecting poverty programs. Hearings, Ninety-first Congress, second session ... November 16 and 17, 1970" . . "Tax exemptions for charitable organizations affecting poverty programs hearings, Ninety-first Congress, second session ... November 16 and 17, 1970"@en . . . . . . . . "Tax exemptions for charitable organizations affecting poverty programs : hearings, Ninety-first Congress, second session, Nov. 16 and 17, 1970"@en .