Trust income tax exemption [electronic resource] : hearing before the Committee on Interior and Insular Affairs, House of Representatives, One Hundred Second Congress, first session, on H.R. 2737, to provide that a portion of the income derived from trust or restricted land held by an individual Indian shall not be considered as a resource or income in determining eligibility for assistance under any federal or federally assisted program, hearing held in Washington, DC, October 22, 1991